Table: t_1930_vfl_match_2
Columns: home_team
home_team_score
away_team
away_team_score
venue
crowd
date

Question: Who was the home team when Footscray was the away team?
SQL: SELECT "home_team" FROM t_1930_vfl_match_2 WHERE "away_team" = 'footscray'

Question: Who was the away team when the home team scored 20.15 (135)?
SQL: SELECT "away_team_score" FROM t_1930_vfl_match_2 WHERE "home_team_score" = '20.15 (135)'

Question: Who was the home team when the away team scored 5.10 (40)?
SQL: SELECT "home_team" FROM t_1930_vfl_match_2 WHERE "away_team_score" = '5.10 (40)'