Table: t_1931_vfl_match_2
Columns: home_team
home_team_score
away_team
away_team_score
venue
crowd
date

Question: What was the smallest crowd in games at the corio oval?
SQL: SELECT MIN("crowd") FROM t_1931_vfl_match_2 WHERE "venue" = 'corio oval'

Question: In the match where Melbourne was the away team, how much did they score?
SQL: SELECT "away_team_score" FROM t_1931_vfl_match_2 WHERE "away_team" = 'melbourne'

Question: On what day did a home team score 8.18 (66)?
SQL: SELECT "date" FROM t_1931_vfl_match_2 WHERE "home_team_score" = '8.18 (66)'