Table: t_1951_vfl_football_match
Columns: home_team
home_team_score
away_team
away_team_score
venue
crowd
date

Question: What was the crowd size at Collingwood's match?
SQL: SELECT "crowd" FROM t_1951_vfl_football_match WHERE "home_team" = 'collingwood'

Question: What was the crowd size at Arden Street Oval?
SQL: SELECT "crowd" FROM t_1951_vfl_football_match WHERE "venue" = 'arden street oval'