Question: What is the crowd with Home team score of 16.9 (105)?
SQL: SELECT AVG("Crowd") FROM "2-10809142-3" WHERE "Home team score" = '16.9 (105)';

Question: What is the highest crowd at Windy Hill?
SQL: SELECT MAX("Crowd") FROM "2-10809142-3" WHERE "Venue" = 'Windy Hill';

Question: What date is St Kilda the Away team?
SQL: SELECT "Date" FROM "2-10809142-3" WHERE "Away team" = 'St Kilda';