How many seasons have a premier date of January 6, 2005? 
CREATE TABLE "season_5" (
  "season" real,
  "episode" real,
  "episode_summary" text,
  "premier_date" text,
  "external_link" text,
  "coach" text
);
SELECT COUNT("season") FROM "season_5" WHERE "premier_date"='January 6, 2005';