What were the ratings for "episode 6"?
CREATE TABLE "table1_27218002_2" (
  "episode_num" real,
  "title" text,
  "directed_by" text,
  "written_by" text,
  "originalairdate" text,
  "ratings" text
);
SELECT "ratings" FROM "table1_27218002_2" WHERE "title"='\"Episode 6\"';