How many total viewers for "the summer house"?
CREATE TABLE "american_weekly_ratings" (
  "episode" text,
  "air_date" text,
  "timeslot_est" text,
  "rating" real,
  "share" text,
  "18_49_rating" text,
  "viewers_millions" real,
  "rank" text
);
SELECT SUM("viewers_millions") FROM "american_weekly_ratings" WHERE "episode"='\"the summer house\"';