CREATE TABLE "weekly_ratings" (
  "episode_number" real,
  "episode" text,
  "rating" text,
  "share" real,
  "rating_share_18_49" text,
  "viewers_millions" text,
  "rank_timeslot" real,
  "rank_night" real
);

Question: How many episodes had rating/share (18-49) of 0.7/2 and a rating of 2.1?
SQL: SELECT COUNT("episode_number") FROM "weekly_ratings" WHERE "rating_share_18_49"='0.7/2' AND "rating"='2.1';

Question: What is the lowest episode number that had a ratings/share (18-49) of 1.1/3?
SQL: SELECT MIN("episode_number") FROM "weekly_ratings" WHERE "rating_share_18_49"='1.1/3';

Question: What is the rating of the episode with a share of 4 and a rating/share (18-49) of 0.7/2?
SQL: SELECT "rating" FROM "weekly_ratings" WHERE "share"=4 AND "rating_share_18_49"='0.7/2';

Question: What is the lowest rank of an episode with a rating/share (18-49) of 1.3/4?
SQL: SELECT MIN("rank_night") FROM "weekly_ratings" WHERE "rating_share_18_49"='1.3/4';