Table: t_1946_vfl_game_6
Columns: home_team
home_team_score
away_team
away_team_score
venue
crowd
date

Question: What was the home team score at North Melbourne's away game?
SQL: SELECT "home_team_score" FROM t_1946_vfl_game_6 WHERE "away_team" = 'north melbourne'

Question: Which away team scored 4.15 (39)?
SQL: SELECT "away_team" FROM t_1946_vfl_game_6 WHERE "away_team_score" = '4.15 (39)'

Question: What was Collingwood's score at the home match against Richmond?
SQL: SELECT "home_team_score" FROM t_1946_vfl_game_6 WHERE "away_team" = 'richmond'