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: What date did the home team have a score of 9.18 (72)?
SQL: SELECT "date" FROM "round_15" WHERE "home_team_score"='9.18 (72)';

Question: What did the away team score when the home team scored 9.18 (72)?
SQL: SELECT "away_team_score" FROM "round_15" WHERE "home_team_score"='9.18 (72)';