What the score when Richmond played at home and the crowd was larger than 15,184?
CREATE TABLE "round_16" (
  "home_team" text,
  "home_team_score" text,
  "away_team" text,
  "away_team_score" text,
  "venue" text,
  "crowd" real,
  "date" text
);
SELECT "home_team_score" FROM "round_16" WHERE "crowd">'15,184' AND "home_team"='richmond';