CREATE TABLE "round_15" (
  "home_team" text,
  "home_team_score" text,
  "away_team" text,
  "away_team_score" text,
  "venue" text,
  "crowd" real,
  "date" text
);

Question: How much was crowd attendance when the away team had a score of 16.13 (109)?
SQL: SELECT "crowd" FROM "round_15" WHERE "away_team_score"='16.13 (109)';

Question: What was the away team that played against Melbourne?
SQL: SELECT "away_team" FROM "round_15" WHERE "home_team"='melbourne';