Question: When Philadelphia has a 2007 less than 20796173 and a 2008 more than 10215225, what is the smallest 2009?
SQL: SELECT MIN("2009") FROM "2-18047346-1" WHERE "2008" > 10215225.0 AND "2007" < 20796173.0 AND "Major City Served" = 'Philadelphia';

Question: What is the greatest 2010 for Miami, FL?
SQL: SELECT MAX("2010") FROM "2-18047346-1" WHERE "State" = 'FL' AND "Major City Served" = 'Miami';

Question: For the IATA code of lax with 2009 less than 31135732 and 2011 less than 8174194, what is the sum of 2012?
SQL: SELECT COUNT("2012") FROM "2-18047346-1" WHERE "2011" < 8174194.0 AND "2009" < 31135732.0 AND "IATA Code" = 'lax';