CREATE TABLE "season_2" (
  "contestant_name" text,
  "episode_num" real,
  "date_premiered_2009" text,
  "winning_amount" text,
  "eliminated_contestant" text
);

Question: What contestant was premiered on July 25? 
SQL: SELECT "contestant_name" FROM "season_2" WHERE "date_premiered_2009"='July 25';