What is the weekly rank for a share of 9 and 9.42 million viewers?
CREATE TABLE "ratings" (
  "air_date" text,
  "timeslot_est" text,
  "season" text,
  "rating" real,
  "share" real,
  "18_49_rating_share" text,
  "viewers_m" real,
  "weekly_rank_num" text
);
SELECT "weekly_rank_num" FROM "ratings" WHERE "share"=9 AND "viewers_m"=9.42;