Table: t_1973_vfl_game_2
Columns: home_team
home_team_score
away_team
away_team_score
venue
crowd
date

Question: When the Venue was mcg what was the sum of all Crowds for that venue?
SQL: SELECT SUM("crowd") FROM t_1973_vfl_game_2 WHERE "venue" = 'mcg'

Question: If the Away team is essendon, what was the Date they played?
SQL: SELECT "date" FROM t_1973_vfl_game_2 WHERE "away_team" = 'essendon'

Question: On what Date did the Away team essendon play?
SQL: SELECT "date" FROM t_1973_vfl_game_2 WHERE "away_team" = 'essendon'

Question: When the Home team was north melbourne what was the Date of the game?
SQL: SELECT "date" FROM t_1973_vfl_game_2 WHERE "home_team" = 'north melbourne'