CREATE TABLE "weekly" (
  "episode" text,
  "air_date" text,
  "timeslot" text,
  "households_rating_share" text,
  "18_49_rating_share" text,
  "viewers_m" real,
  "weekly_rank_num" text
);

Question: Tell me the episode with an 18-49 rating of 2.0/5
SQL: SELECT "episode" FROM "weekly" WHERE "18_49_rating_share"='2.0/5';

Question: Name the episode for viewers bigger than 5.63 and the households rating is 4.5/7
SQL: SELECT "episode" FROM "weekly" WHERE "viewers_m">5.63 AND "households_rating_share"='4.5/7';

Question: Name the 18-49 rating for weekly rank of 30
SQL: SELECT "18_49_rating_share" FROM "weekly" WHERE "weekly_rank_num"='30';