CREATE TABLE "round_18" (
  "home_team" text,
  "home_team_score" text,
  "away_team" text,
  "away_team_score" text,
  "venue" text,
  "crowd" real,
  "date" text
);

Question: Which home team had the away team score 15.18 (108) against them?
SQL: SELECT "home_team_score" FROM "round_18" WHERE "away_team_score"='15.18 (108)';

Question: Which Team plays at Western Oval?
SQL: SELECT "home_team" FROM "round_18" WHERE "venue"='western oval';

Question: How many people witnessed their home team score 13.15 (93)?
SQL: SELECT MAX("crowd") FROM "round_18" WHERE "home_team_score"='13.15 (93)';

Question: What is the average crowd attendance for Collingwood?
SQL: SELECT AVG("crowd") FROM "round_18" WHERE "home_team"='collingwood';

Question: Which away team scored 12.18 (90)?
SQL: SELECT "away_team" FROM "round_18" WHERE "away_team_score"='12.18 (90)';