CREATE TABLE table_79011 ("Rank  ( 2012 ) " FLOAT, "IATA Code" CLOB, "Major City Served" CLOB, "State" CLOB, "2012" FLOAT, "2011" FLOAT, "2010" FLOAT, "2009" FLOAT, "2008" FLOAT, "2007" FLOAT, "2006" FLOAT, "2005" FLOAT)

When Philadelphia has a 2007 less than 20,796,173 and a 2008 more than 10,215,225, what is the smallest 2009?
SELECT MIN("2009") FROM table_79011 WHERE "2008" > '10,215,225' AND "2007" < '20,796,173' AND "Major City Served" = 'philadelphia'
SELECT MIN("2009") FROM "table_79011" WHERE "2007" < '20,796,173' AND "2008" > '10,215,225' AND "Major City Served" = 'philadelphia'