Table: t_1969_vfl_game
Columns: home_team
home_team_score
away_team
away_team_score
venue
crowd
date

Question: When did an away team score 15.7 (97)?
SQL: SELECT "date" FROM t_1969_vfl_game WHERE "away_team_score" = '15.7 (97)'

Question: When was there a game at Kardinia Park?
SQL: SELECT "date" FROM t_1969_vfl_game WHERE "venue" = 'kardinia park'