CREATE TABLE "round_13" (
  "home_team" text,
  "home_team_score" text,
  "away_team" text,
  "away_team_score" text,
  "venue" text,
  "crowd" real,
  "date" text
);

Question: Which crowd had an Away team score of 7.12 (54)?
SQL: SELECT AVG("crowd") FROM "round_13" WHERE "away_team_score"='7.12 (54)';

Question: What venue is the home of the Carlton team?
SQL: SELECT "venue" FROM "round_13" WHERE "home_team"='carlton';