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

Question: What was the share for rank 54?
SQL: SELECT MAX("share") FROM "us_nielsen_ratings" WHERE "rank_overall"='54';

Question: What are the ratings/share ratio when viewers are 5.50 Million?
SQL: SELECT "rating_share_18_49" FROM "us_nielsen_ratings" WHERE "viewers_millions"='5.50';

Question: What are the  rank timeslots where ratings are 4.1?
SQL: SELECT "rank_timeslot" FROM "us_nielsen_ratings" WHERE "rating"='4.1';

Question: What is overall rank when viewers are at 6.59 million?
SQL: SELECT "rank_overall" FROM "us_nielsen_ratings" WHERE "viewers_millions"='6.59';

Question: What was the episode name when share was 8?
SQL: SELECT "episode" FROM "us_nielsen_ratings" WHERE "share"=8;