Table: t_1951_vfl_match
Columns: home_team
home_team_score
away_team
away_team_score
venue
crowd
date

Question: When did the match take place that had an away team score of 12.12 (84)?
SQL: SELECT "date" FROM t_1951_vfl_match WHERE "away_team_score" = '12.12 (84)'

Question: What was the crowd size of the match where the home team scored 7.7 (49) against Geelong?
SQL: SELECT SUM("crowd") FROM t_1951_vfl_match WHERE "home_team_score" = '7.7 (49)' AND "away_team" = 'geelong'

Question: Which match had the largest crowd size where the away team was North Melbourne?
SQL: SELECT MAX("crowd") FROM t_1951_vfl_match WHERE "away_team" = 'north melbourne'