What is the viewers for the episode "woman marries heart"?
CREATE TABLE "u_s_nielsen_ratings" (
  "num" real,
  "episode" text,
  "air_date" text,
  "timeslot" text,
  "rating" text,
  "share" real,
  "18_49" text,
  "viewers" text,
  "weekly_rank" text
);
SELECT "viewers" FROM "u_s_nielsen_ratings" WHERE "episode"='\"Woman Marries Heart\"';