Table: t_1946_vfl_game
Columns: home_team
home_team_score
away_team
away_team_score
venue
crowd
date

Question: How many people were in the crowd for a game than had carlton as the visiting team?
SQL: SELECT "crowd" FROM t_1946_vfl_game WHERE "away_team" = 'carlton'

Question: What was total size of the crowd at a home game for north melbourne?
SQL: SELECT SUM("crowd") FROM t_1946_vfl_game WHERE "home_team" = 'north melbourne'

Question: When was the game played at glenferrie oval?
SQL: SELECT "date" FROM t_1946_vfl_game WHERE "venue" = 'glenferrie oval'