What was the timeslot for the episode that aired on May 12, 2009?
CREATE TABLE "season_2" (
  "no" real,
  "episode" text,
  "air_date" text,
  "timeslot" text,
  "rating" text,
  "share" text,
  "18_49_rating_share" text,
  "viewers_m" text,
  "rank_num" text
);
SELECT "timeslot" FROM "season_2" WHERE "air_date"='May 12, 2009';