Table: footscray_north_19820529
Columns: home_team
home_team_score
away_team
away_team_score
venue
crowd
date

Question: In games where st kilda was the away team, what was the smallest crowd?
SQL: SELECT MIN("crowd") FROM footscray_north_19820529 WHERE "away_team" = 'st kilda'

Question: In fitzroy's match where they were the home team, how much did they score?
SQL: SELECT "home_team_score" FROM footscray_north_19820529 WHERE "home_team" = 'fitzroy'

Question: What was the score for the home team who plays their matches at the mcg venue?
SQL: SELECT "home_team_score" FROM footscray_north_19820529 WHERE "venue" = 'mcg'