Solve the following sql problem:
What are the special notes for the country whose average adolescent fertility rate is the highest?

Schema:
SCHEMA:
- Table: Country
  - Column: CountryCode
    - Samples: [AFG, ALB, DZA, ASM, ADO]
  - Column: ShortName
    - Samples: [Afghanistan, Albania, Algeria, American Samoa, Andorra]
  - Column: TableName
    - Samples: [Afghanistan, Albania, Algeria, American Samoa, Andorra]
  - Column: LongName
    - Samples: [Islamic State of Afghanistan, Republic of Albania, People's Democratic Republic of Algeria, American Samoa, Principality of Andorra]
  - Column: Alpha2Code
    - Samples: [AF, AL, DZ, AS, AD]
  - Column: CurrencyUnit
    - Samples: [Afghan afghani, Albanian lek, Algerian dinar, U.S. dollar, Euro]
  - Column: SpecialNotes
    - Samples: [Fiscal year end: March 20; reporting period for national accounts data..., , , ,  (truncated)]
  - Column: Region
    - Samples: [South Asia, Europe & Central Asia, Middle East & North Africa, East Asia & Pacific, Europe & Central Asia]
  - Column: IncomeGroup
    - Samples: [Low income, Upper middle income, Upper middle income, Upper middle income, High income: nonOECD]
  - Column: Wb2Code
    - Samples: [AF, AL, DZ, AS, AD]
  - Column: NationalAccountsBaseYear
    - Samples: [2002/03, Original chained constant price data are rescaled., 1980, , 2000]
  - Column: NationalAccountsReferenceYear
    - Samples: [, 1996, , , ]
  - Column: SnaPriceValuation
    - Samples: [Value added at basic prices (VAB), Value added at basic prices (VAB), Value added at basic prices (VAB), , Value added at basic prices (VAB)]
  - Column: LendingCategory
    - Samples: [IDA, IBRD, IBRD, , ]
  - Column: OtherGroups
    - Samples: [HIPC, , , , ]
  - Column: SystemOfNationalAccounts
    - Samples: [Country uses the 1993 System of National Accounts methodology., Country uses the 1993 System of National Accounts methodology., Country uses the 1968 System of National Accounts methodology., Country uses the 1968 System of National Accounts methodology., Country uses the 1968 System of National Accounts methodology.]
  - Column: AlternativeConversionFactor
    - Samples: [, , , , ]
  - Column: PppSurveyYear
    - Samples: [, Rolling, 2011, 2011 (household consumption only)., ]
  - Column: BalanceOfPaymentsManualInUse
    - Samples: [, IMF Balance of Payments Manual, 6th edition., IMF Balance of Payments Manual, 6th edition., , ]
  - Column: ExternalDebtReportingStatus
    - Samples: [Actual, Actual, Actual, , ]
  - Column: SystemOfTrade
    - Samples: [General trade system, General trade system, Special trade system, Special trade system, Special trade system]
  - Column: GovernmentAccountingConcept
    - Samples: [Consolidated central government, Budgetary central government, Budgetary central government, , ]
  - Column: ImfDataDisseminationStandard
    - Samples: [General Data Dissemination System (GDDS), General Data Dissemination System (GDDS), General Data Dissemination System (GDDS), , ]
  - Column: LatestPopulationCensus
    - Samples: [1979, 2011, 2008, 2010, 2011. Population data compiled from administrative registers.]
  - Column: LatestHouseholdSurvey
    - Samples: [Multiple Indicator Cluster Survey (MICS), 2010/11, Demographic and Health Survey (DHS), 2008/09, Multiple Indicator Cluster Survey (MICS), 2012, , ]
  - Column: SourceOfMostRecentIncomeAndExpenditureData
    - Samples: [Integrated household survey (IHS), 2008, Living Standards Measurement Study Survey (LSMS), 2011/12, Integrated household survey (IHS), 1995, , ]
  - Column: VitalRegistrationComplete
    - Samples: [, Yes, , Yes, Yes]
  - Column: LatestAgriculturalCensus
    - Samples: [2013/14, 2012, , 2007, ]
  - Column: LatestIndustrialData
    - Samples: [None, 2011, 2010, None, None]
  - Column: LatestTradeData
    - Samples: [2013, 2013, 2013, None, 2006]
  - Column: LatestWaterWithdrawalData
    - Samples: [2000, 2006, 2001, None, None]
- Table: Series
  - Column: SeriesCode
    - Samples: [BN.KLT.DINV.CD, BX.KLT.DINV.WD.GD.ZS, BX.KLT.DINV.CD.WD, BM.KLT.DINV.GD.ZS, BN.TRF.KOGT.CD]
  - Column: Topic
    - Samples: [Economic Policy & Debt: Balance of payments: Capital & financial accou..., Economic Policy & Debt: Balance of payments: Capital & financial accou..., Economic Policy & Debt: Balance of payments: Capital & financial accou..., Economic Policy & Debt: Balance of payments: Capital & financial accou..., Economic Policy & Debt: Balance of payments: Capital & financial accou... (truncated)]
  - Column: IndicatorName
    - Samples: [Foreign direct investment, net (BoP, current US$), Foreign direct investment, net inflows (% of GDP), Foreign direct investment, net inflows (BoP, current US$), Foreign direct investment, net outflows (% of GDP), Net capital account (BoP, current US$)]
  - Column: ShortDefinition
    - Samples: [, , , , ]
  - Column: LongDefinition
    - Samples: [Foreign direct investment are the net inflows of investment to acquire..., Foreign direct investment are the net inflows of investment to acquire..., Foreign direct investment refers to direct investment equity flows in ..., Foreign direct investment are the net inflows of investment to acquire..., Net capital account records acquisitions and disposals of nonproduced ... (truncated)]
  - Column: UnitOfMeasure
    - Samples: [, , , , ]
  - Column: Periodicity
    - Samples: [Annual, Annual, Annual, Annual, Annual]
  - Column: BasePeriod
    - Samples: [, , , , ]
  - Column: OtherNotes
    - Samples: [None, None, None, None, None]
  - Column: AggregationMethod
    - Samples: [, Weighted average, Sum, Weighted average, ]
  - Column: LimitationsAndExceptions
    - Samples: [, FDI data do not give a complete picture of international investment in..., FDI data do not give a complete picture of international investment in..., ,  (truncated)]
  - Column: NotesFromOriginalSource
    - Samples: [, , , , ]
  - Column: GeneralComments
    - Samples: [Note: Data are based on the sixth edition of the IMF's Balance of Paym..., Note: Data starting from 2005 are based on the sixth edition of the IM..., Note: Data starting from 2005 are based on the sixth edition of the IM..., Note: Data are based on the sixth edition of the IMF's Balance of Paym..., Note: Data are based on the sixth edition of the IMF's Balance of Paym... (truncated)]
  - Column: Source
    - Samples: [International Monetary Fund, Balance of Payments Statistics Yearbook a..., International Monetary Fund, International Financial Statistics and Ba..., International Monetary Fund, Balance of Payments database, supplemente..., International Monetary Fund, International Financial Statistics and Ba..., International Monetary Fund, Balance of Payments Statistics Yearbook a... (truncated)]
  - Column: StatisticalConceptAndMethodology
    - Samples: [, Data on equity flows are based on balance of payments data reported by..., Data on equity flows are based on balance of payments data reported by..., ,  (truncated)]
  - Column: DevelopmentRelevance
    - Samples: [, Private financial flows - equity and debt - account for the bulk of de..., Private financial flows - equity and debt - account for the bulk of de..., ,  (truncated)]
  - Column: RelatedSourceLinks
    - Samples: [, , , , ]
  - Column: OtherWebLinks
    - Samples: [None, None, None, None, None]
  - Column: RelatedIndicators
    - Samples: [None, None, None, None, None]
  - Column: LicenseType
    - Samples: [Open, Open, Open, Open, Open]
- Table: CountryNotes
  - Column: Countrycode
    - Samples: [ABW, ABW, ABW, ABW, ABW]
  - Column: Seriescode
    - Samples: [EG.EGY.PRIM.PP.KD, EG.ELC.RNEW.ZS, EG.FEC.RNEW.ZS, SM.POP.NETM, SM.POP.TOTL]
  - Column: Description
    - Samples: [Sources: Estimated based on UN Energy Statistics (2014); World Develop..., Sources: UN Energy Statistics (2014), Sources: UN Energy Statistics (2014), Data sources : United Nations World Population Prospects, Estimates are derived from data on foreign-born population. (truncated)]
- Table: Footnotes
  - Column: Countrycode
    - Samples: [ABW, ABW, ABW, ABW, ABW]
  - Column: Seriescode
    - Samples: [AG.LND.FRST.K2, AG.LND.FRST.K2, AG.LND.FRST.K2, BX.KLT.DINV.CD.WD, BX.KLT.DINV.CD.WD]
  - Column: Year
    - Samples: [YR1990, YR2000, YR2005, YR1987, YR1988]
  - Column: Description
    - Samples: [Not specified, Not specified, Not specified, Source: United Nations Conference on Trade and Development, Foreign Di..., Source: United Nations Conference on Trade and Development, Foreign Di... (truncated)]
- Table: Indicators
  - Column: CountryName
    - Samples: [Arab World, Arab World, Arab World, Arab World, Arab World]
  - Column: CountryCode
    - Samples: [ARB, ARB, ARB, ARB, ARB]
  - Column: IndicatorName
    - Samples: [Adolescent fertility rate (births per 1,000 women ages 15-19), Age dependency ratio (% of working-age population), Age dependency ratio, old (% of working-age population), Age dependency ratio, young (% of working-age population), Arms exports (SIPRI trend indicator values)]
  - Column: IndicatorCode
    - Samples: [SP.ADO.TFRT, SP.POP.DPND, SP.POP.DPND.OL, SP.POP.DPND.YG, MS.MIL.XPRT.KD]
  - Column: Year
    - Samples: [1960, 1960, 1960, 1960, 1960]
  - Column: Value
    - Samples: [133, 87, 6, 81, 3000000]
- Table: SeriesNotes
  - Column: Seriescode
    - Samples: [SP.ADO.TFRT, SP.DYN.AMRT.FE, SP.DYN.AMRT.MA, SP.DYN.TO65.FE.ZS, SP.DYN.TO65.MA.ZS]
  - Column: Year
    - Samples: [YR1960, YR1960, YR1960, YR1960, YR1960]
  - Column: Description
    - Samples: [Interpolated using data for 1957 and 1962., Interpolated using data for 1957 and 1962, if the data source is Unite..., Interpolated using data for 1957 and 1962, if the data source is Unite..., Interpolated using data for 1957 and 1962., Interpolated using data for 1957 and 1962. (truncated)]

SELECT DISTINCT T1.SpecialNotes FROM Country AS T1 INNER JOIN Indicators AS T2 ON T1.CountryCode = T2.CountryCode WHERE T2.Value = ( SELECT Value FROM Indicators WHERE IndicatorName LIKE 'Adolescent fertility rate%' ORDER BY Value DESC LIMIT 1 )