how many maximum # when viewers (m) is 8.01
CREATE TABLE "ratings" (
  "num" real,
  "episode" text,
  "air_date" text,
  "rating" text,
  "share" text,
  "18_49_rating_share" text,
  "viewers_m" text,
  "weekly_rank_num" text
);
SELECT MAX("num") FROM "ratings" WHERE "viewers_m"='8.01';