Table: t_1971_vfl_match
Columns: home_team
home_team_score
away_team
away_team_score
venue
crowd
date

Question: When the home team score was 21.15 (141), what was the away team?
SQL: SELECT "away_team" FROM t_1971_vfl_match WHERE "home_team_score" = '21.15 (141)'

Question: When the away team score was 11.5 (71), what was the date?
SQL: SELECT "date" FROM t_1971_vfl_match WHERE "away_team_score" = '11.5 (71)'

Question: When the away team was geelong, what was the away team score?
SQL: SELECT "away_team_score" FROM t_1971_vfl_match WHERE "away_team" = 'geelong'

Question: When the away team was north melbourne, what was the away team score?
SQL: SELECT "away_team_score" FROM t_1971_vfl_match WHERE "away_team" = 'north melbourne'