Table: t_1948_vfl_match_4
Columns: home_team
home_team_score
away_team
away_team_score
venue
crowd
date

Question: In the match where footscray was the home team, how much did they score?
SQL: SELECT "home_team_score" FROM t_1948_vfl_match_4 WHERE "home_team" = 'footscray'

Question: During melbourne's home game, who was the away team?
SQL: SELECT "away_team" FROM t_1948_vfl_match_4 WHERE "home_team" = 'melbourne'

Question: In the match where north melbourne was the away team, how much did the home team score?
SQL: SELECT "home_team_score" FROM t_1948_vfl_match_4 WHERE "away_team" = 'north melbourne'