CREATE TABLE "round_17" (
  "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 scored 12.9 (81), what was the average Crowd size?
SQL: SELECT AVG("crowd") FROM "round_17" WHERE "away_team_score"='12.9 (81)';

Question: When the Home team had a score of 16.10 (106), what was the Date?
SQL: SELECT "date" FROM "round_17" WHERE "home_team_score"='16.10 (106)';

Question: When the Away team is melbourne, what's the lowest Crowd attended?
SQL: SELECT MIN("crowd") FROM "round_17" WHERE "away_team"='melbourne';

Question: When the Away team is essendon, what's the Home team score?
SQL: SELECT "home_team_score" FROM "round_17" WHERE "away_team"='essendon';

Question: If the Venue is brunswick street oval, what date was the game played ?
SQL: SELECT "date" FROM "round_17" WHERE "venue"='brunswick street oval';