Table: t_1973_vfl_game
Columns: home_team
home_team_score
away_team
away_team_score
venue
crowd
date

Question: What is the score of the away team that played Essendon?
SQL: SELECT "away_team_score" FROM t_1973_vfl_game WHERE "home_team" = 'essendon'

Question: How many people attended the North Melbourne game?
SQL: SELECT AVG("crowd") FROM t_1973_vfl_game WHERE "home_team" = 'north melbourne'

Question: Where did Carlton play?
SQL: SELECT "venue" FROM t_1973_vfl_game WHERE "away_team" = 'carlton'

Question: Which team played at VFL Park?
SQL: SELECT "home_team" FROM t_1973_vfl_game WHERE "venue" = 'vfl park'