Table: t_1968_vfl_game
Columns: home_team
home_team_score
away_team
away_team_score
venue
crowd
date

Question: Who was the home team at the game held at Princes Park?
SQL: SELECT "home_team" FROM t_1968_vfl_game WHERE "venue" = 'princes park'

Question: Who was the home team when the away team scored 18.18 (126)?
SQL: SELECT "home_team" FROM t_1968_vfl_game WHERE "away_team_score" = '18.18 (126)'

Question: Who was the home team when Hawthorn was the away team?
SQL: SELECT "home_team" FROM t_1968_vfl_game WHERE "away_team" = 'hawthorn'