What was the air date of 'Gary tries to do it all'?
CREATE TABLE "season_2_2009_2010_weekly_ratings" (
  "episode" text,
  "air_date" text,
  "timeslot" text,
  "18_49" text,
  "viewers" real
);
SELECT "air_date" FROM "season_2_2009_2010_weekly_ratings" WHERE "episode"='gary tries to do it all';