Table: t_1961_vfl_match_6
Columns: home_team
home_team_score
away_team
away_team_score
venue
crowd
date

Question: Who is the away side at windy hill?
SQL: SELECT "away_team" FROM t_1961_vfl_match_6 WHERE "venue" = 'windy hill'

Question: Who is the home side when the away side scores 11.15 (81)?
SQL: SELECT "home_team" FROM t_1961_vfl_match_6 WHERE "away_team_score" = '11.15 (81)'