What is the episode summary for episode 5?
CREATE TABLE "season_13_num_dream_bigger" (
  "season" real,
  "episode" real,
  "episode_summary" text,
  "premier_date" text,
  "external_link" text,
  "coach" text
);
SELECT "episode_summary" FROM "season_13_num_dream_bigger" WHERE "episode"=5;