How many millions of viewers watched the episode "blowups"
CREATE TABLE "u_s" (
  "num" real,
  "episode" text,
  "air_date" text,
  "timeslot_est" text,
  "rating" text,
  "share" real,
  "18_49_rating_share" text,
  "viewers_m" text,
  "weekly_rank_num" text
);
SELECT "viewers_m" FROM "u_s" WHERE "episode"='\"Blowups\"';