What is the rating/share with more than 8.88 million viewers and a weekly rant of 27?
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 "18_49_rating_share" FROM "ratings" WHERE "viewers_m">8.88 AND "weekly_rank_num"='27';