CREATE TABLE "round_6" (
  "home_team" text,
  "home_team_score" text,
  "away_team" text,
  "away_team_score" text,
  "venue" text,
  "crowd" real,
  "date" text
);

Question: when the away team score was 21.11 (137) what was the home team score?
SQL: SELECT "home_team_score" FROM "round_6" WHERE "away_team_score"='21.11 (137)';

Question: at kardinia park, what was the away team's score?
SQL: SELECT "away_team_score" FROM "round_6" WHERE "venue"='kardinia park';

Question: what was the largest attendance at kardinia park?
SQL: SELECT MAX("crowd") FROM "round_6" WHERE "venue"='kardinia park';