Which Crowd has a Home team score of 15.20 (110), and a Home team of carlton?
CREATE TABLE "round_7" (
  "home_team" text,
  "home_team_score" text,
  "away_team" text,
  "away_team_score" text,
  "venue" text,
  "crowd" real,
  "date" text
);
SELECT MIN("crowd") FROM "round_7" WHERE "home_team_score"='15.20 (110)' AND "home_team"='carlton';