Table: t_1971_vfl_match_2
Columns: home_team
home_team_score
away_team
away_team_score
venue
crowd
date

Question: What was the attendance at Moorabbin Oval?
SQL: SELECT AVG("crowd") FROM t_1971_vfl_match_2 WHERE "venue" = 'moorabbin oval'

Question: Who was Melbourne's away team opponent?
SQL: SELECT "away_team" FROM t_1971_vfl_match_2 WHERE "home_team" = 'melbourne'

Question: What was the attendance at the Footscray away game?
SQL: SELECT "crowd" FROM t_1971_vfl_match_2 WHERE "away_team" = 'footscray'