Table: t_1964_vfl_match_9
Columns: home_team
home_team_score
away_team
away_team_score
venue
crowd
date

Question: If the Away team was south melbourne what Date did they play?
SQL: SELECT "date" FROM t_1964_vfl_match_9 WHERE "away_team" = 'south melbourne'

Question: When the Away team scored 6.13 (49), what was the Home teams score?
SQL: SELECT "home_team_score" FROM t_1964_vfl_match_9 WHERE "away_team_score" = '6.13 (49)'

Question: When the Home team of essendon is playing what is the Away team score?
SQL: SELECT "away_team_score" FROM t_1964_vfl_match_9 WHERE "home_team" = 'essendon'