Table: t_1955_vfl_match_results
Columns: home_team
home_team_score
away_team
away_team_score
venue
crowd
date

Question: What is the average crowd size at glenferrie oval?
SQL: SELECT AVG("crowd") FROM t_1955_vfl_match_results WHERE "venue" = 'glenferrie oval'

Question: What is the away team's score when the away team is geelong?
SQL: SELECT "away_team_score" FROM t_1955_vfl_match_results WHERE "away_team" = 'geelong'

Question: What is the largest crowd when melbourne plays at home?
SQL: SELECT MAX("crowd") FROM t_1955_vfl_match_results WHERE "home_team" = 'melbourne'