Table: t_1945_vfl_game_3
Columns: home_team
home_team_score
away_team
away_team_score
venue
crowd
date

Question: What was the attendance of the North Melbourne's home game?
SQL: SELECT COUNT("crowd") FROM t_1945_vfl_game_3 WHERE "home_team" = 'north melbourne'

Question: What was the attendance at the Fitzroy home game?
SQL: SELECT SUM("crowd") FROM t_1945_vfl_game_3 WHERE "home_team" = 'fitzroy'

Question: What was Richmond's highest attendance?
SQL: SELECT MAX("crowd") FROM t_1945_vfl_game_3 WHERE "home_team" = 'richmond'