Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_79011 ( "Rank (2012)" real, "IATA Code" text, "Major City Served" text, "State" text, "2012" real, "2011" real, "2010" real, "2009" real, "2008" real, "2007" real, "2006" real, "2005" real )

### Question ###
When Philadelphia has a 2007 less than 20,796,173 and a 2008 more than 10,215,225, what is the smallest 2009?

### Accurate SQL ###

SELECT MIN("2009") FROM table_79011 WHERE "2008" > '10,215,225' AND "2007" < '20,796,173' AND "Major City Served" = 'philadelphia'