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: What team is from Lake Oval?
SQL: SELECT "home_team" FROM "round_18" WHERE "venue"='lake oval';

Question: How many people watch an away team score 6.9 (45)?
SQL: SELECT AVG("crowd") FROM "round_18" WHERE "away_team_score"='6.9 (45)';

Question: Who played a home team that scored 18.9 (117)?
SQL: SELECT "away_team_score" FROM "round_18" WHERE "home_team_score"='18.9 (117)';

Question: When did a home team score 9.9 (63)?
SQL: SELECT "date" FROM "round_18" WHERE "home_team_score"='9.9 (63)';

Question: Who played a home team that scored 9.16 (70)?
SQL: SELECT "away_team" FROM "round_18" WHERE "home_team_score"='9.16 (70)';