What is the winning amount that has May 30, 2009 as the date premiered?
CREATE TABLE "season_2" (
  "contestant_name" text,
  "episode_num" text,
  "date_premiered_2009" text,
  "winning_amount" text,
  "eliminated_contestant" text
);
SELECT "winning_amount" FROM "season_2" WHERE "date_premiered_2009"='may 30';