What is the rating of episode 1.04?
CREATE TABLE "table1_28283535_4" (
  "episode" text,
  "date_aired" text,
  "timeslot" text,
  "rating" text,
  "nightly_rank" real,
  "weekly_rank" text
);
SELECT "rating" FROM "table1_28283535_4" WHERE "episode"='1.04';