Question: What location did the episode that aired originally on August 26, 2009 take place at?
SQL: SELECT "Location" FROM "1-24798489-2" WHERE "Original Airdate" = 'August 26, 2009';

Question: How many dates originally aired episodes located in Philadelphia, Pennsylvania?
SQL: SELECT COUNT("Original Airdate") FROM "1-24798489-2" WHERE "Location" = 'Philadelphia, Pennsylvania';

Question: What was the challenge for episode 28?
SQL: SELECT "Challenge" FROM "1-24798489-2" WHERE "Episode Number" = 28.0;

Question: How many original air dates were there for episode 22?
SQL: SELECT COUNT("Original Airdate") FROM "1-24798489-2" WHERE "Episode Number" = 22.0;