Solve the following sql problem:
What is the shipment duration for order number CA-2011-134103?

Schema:
SCHEMA:
- Table: people
  - Column: Customer ID
    - Samples: [AA-10315, AA-10375, AA-10480, AA-10645, AB-10015]
  - Column: Customer Name
    - Samples: [Alex Avila, Allen Armold, Andrew Allen, Anna Andreadi, Aaron Bergman]
  - Column: Segment
    - Samples: [Consumer, Consumer, Consumer, Consumer, Consumer]
  - Column: Country
    - Samples: [United States, United States, United States, United States, United States]
  - Column: City
    - Samples: [Round Rock, Omaha, Springfield, Oklahoma City, Arlington]
  - Column: State
    - Samples: [Texas, Nebraska, Missouri, Oklahoma, Texas]
  - Column: Postal Code
    - Samples: [78664, 68104, 65807, 73120, 76017]
  - Column: Region
    - Samples: [Central, Central, Central, Central, Central]
- Table: product
  - Column: Product ID
    - Samples: [FUR-BO-10000330, FUR-BO-10000362, FUR-BO-10000468, FUR-BO-10001337, FUR-BO-10001519]
  - Column: Product Name
    - Samples: [Sauder Camden County Barrister Bookcase, Planked Cherry Finish, Sauder Inglewood Library Bookcases, O'Sullivan 2-Shelf Heavy-Duty Bookcases, O'Sullivan Living Dimensions 2-Shelf Bookcases, O'Sullivan 3-Shelf Heavy-Duty Bookcases]
  - Column: Category
    - Samples: [Furniture, Furniture, Furniture, Furniture, Furniture]
  - Column: Sub-Category
    - Samples: [Bookcases, Bookcases, Bookcases, Bookcases, Bookcases]
  - Column: Region
    - Samples: [West, West, West, West, West]
- Table: central_superstore
  - Column: Row ID
    - Samples: [1, 2, 3, 4, 5]
  - Column: Order ID
    - Samples: [CA-2011-103800, CA-2011-112326, CA-2011-112326, CA-2011-112326, CA-2011-105417]
  - Column: Order Date
    - Samples: [2013-01-03, 2013-01-04, 2013-01-04, 2013-01-04, 2013-01-07]
  - Column: Ship Date
    - Samples: [2013-01-07, 2013-01-08, 2013-01-08, 2013-01-08, 2013-01-12]
  - Column: Ship Mode
    - Samples: [Standard Class, Standard Class, Standard Class, Standard Class, Standard Class]
  - Column: Customer ID
    - Samples: [DP-13000, PO-19195, PO-19195, PO-19195, VS-21820]
  - Column: Region
    - Samples: [Central, Central, Central, Central, Central]
  - Column: Product ID
    - Samples: [OFF-PA-10000174, OFF-LA-10003223, OFF-ST-10002743, OFF-BI-10004094, FUR-FU-10004864]
  - Column: Sales
    - Samples: [16.448, 11.784, 272.736, 3.54, 76.728]
  - Column: Quantity
    - Samples: [2, 3, 3, 2, 3]
  - Column: Discount
    - Samples: [0.2, 0.2, 0.2, 0.8, 0.6]
  - Column: Profit
    - Samples: [5.5512, 4.2717, -64.7748, -5.487, -53.7096]
- Table: east_superstore
  - Column: Row ID
    - Samples: [4647, 4648, 4649, 4650, 4651]
  - Column: Order ID
    - Samples: [CA-2011-141817, CA-2011-130092, CA-2011-118192, CA-2011-118192, CA-2011-149524]
  - Column: Order Date
    - Samples: [2013-01-05, 2013-01-11, 2013-01-13, 2013-01-13, 2013-01-14]
  - Column: Ship Date
    - Samples: [2013-01-12, 2013-01-14, 2013-01-18, 2013-01-18, 2013-01-15]
  - Column: Ship Mode
    - Samples: [Standard Class, First Class, Standard Class, Standard Class, First Class]
  - Column: Customer ID
    - Samples: [MB-18085, SV-20365, MM-17920, MM-17920, BS-11590]
  - Column: Region
    - Samples: [East, East, East, East, East]
  - Column: Product ID
    - Samples: [OFF-AR-10003478, FUR-FU-10000010, OFF-PA-10002947, OFF-BI-10003476, FUR-BO-10003433]
  - Column: Sales
    - Samples: [19.536, 9.94, 37.408, 3.438, 61.96]
  - Column: Quantity
    - Samples: [3, 2, 7, 2, 4]
  - Column: Discount
    - Samples: [0.2, 0.0, 0.2, 0.7, 0.5]
  - Column: Profit
    - Samples: [4.884, 3.0814, 13.0928, -2.5212, -53.2856]
- Table: south_superstore
  - Column: Row ID
    - Samples: [10343, 10344, 10345, 10346, 10347]
  - Column: Order ID
    - Samples: [CA-2011-106054, CA-2011-167199, CA-2011-167199, CA-2011-167199, CA-2011-167199]
  - Column: Order Date
    - Samples: [2013-01-06, 2013-01-06, 2013-01-06, 2013-01-06, 2013-01-06]
  - Column: Ship Date
    - Samples: [2013-01-07, 2013-01-10, 2013-01-10, 2013-01-10, 2013-01-10]
  - Column: Ship Mode
    - Samples: [First Class, Standard Class, Standard Class, Standard Class, Standard Class]
  - Column: Customer ID
    - Samples: [JO-15145, ME-17320, ME-17320, ME-17320, ME-17320]
  - Column: Region
    - Samples: [South, South, South, South, South]
  - Column: Product ID
    - Samples: [OFF-AR-10002399, FUR-CH-10004063, OFF-BI-10004632, OFF-AR-10001662, TEC-PH-10004977]
  - Column: Sales
    - Samples: [12.78, 2573.82, 609.98, 5.48, 391.98]
  - Column: Quantity
    - Samples: [3, 9, 2, 2, 2]
  - Column: Discount
    - Samples: [0.0, 0.0, 0.0, 0.0, 0.0]
  - Column: Profit
    - Samples: [5.2398, 746.4078, 274.491, 1.4796, 113.6742]
- Table: west_superstore
  - Column: Row ID
    - Samples: [13583, 13584, 13585, 13586, 13587]
  - Column: Order ID
    - Samples: [CA-2011-130813, CA-2011-157147, CA-2011-157147, CA-2011-157147, CA-2011-123477]
  - Column: Order Date
    - Samples: [2013-01-06, 2013-01-13, 2013-01-13, 2013-01-13, 2013-01-18]
  - Column: Ship Date
    - Samples: [2013-01-08, 2013-01-18, 2013-01-18, 2013-01-18, 2013-01-21]
  - Column: Ship Mode
    - Samples: [Second Class, Standard Class, Standard Class, Standard Class, Second Class]
  - Column: Customer ID
    - Samples: [LS-17230, BD-11605, BD-11605, BD-11605, DW-13195]
  - Column: Region
    - Samples: [West, West, West, West, West]
  - Column: Product ID
    - Samples: [OFF-PA-10002005, OFF-ST-10000078, FUR-BO-10003034, OFF-AR-10003514, OFF-AP-10000692]
  - Column: Sales
    - Samples: [19.44, 1325.85, 333.999, 19.9, 64.864]
  - Column: Quantity
    - Samples: [3, 5, 3, 5, 4]
  - Column: Discount
    - Samples: [0.0, 0.0, 0.15, 0.0, 0.2]
  - Column: Profit
    - Samples: [9.3312, 238.653, 3.9294, 6.567, 6.4864]

SELECT DISTINCT strftime('%J', `Ship Date`) - strftime('%J', `Order Date`) AS duration FROM central_superstore WHERE `Order ID` = 'CA-2011-134103'