Table: t_1978_vfl_match
Columns: home_team
home_team_score
away_team
away_team_score
venue
crowd
date

Question: What was the away team that played at Princes Park?
SQL: SELECT "away_team" FROM t_1978_vfl_match WHERE "venue" = 'princes park'

Question: What was the away team that played at Princes Park?
SQL: SELECT "away_team" FROM t_1978_vfl_match WHERE "venue" = 'princes park'

Question: In what venue was the hosted away team Essendon?
SQL: SELECT "venue" FROM t_1978_vfl_match WHERE "away_team" = 'essendon'

Question: Who was the home team at MCG?
SQL: SELECT "home_team" FROM t_1978_vfl_match WHERE "venue" = 'mcg'