Table: footscray_vs_southmelbourne_1971
Columns: home_team
home_team_score
away_team
away_team_score
venue
crowd
date

Question: When was the game played at the Western Oval venue?
SQL: SELECT "date" FROM footscray_vs_southmelbourne_1971 WHERE "venue" = 'western oval'

Question: What is the home team score for the team that played an away game at North Melbourne?
SQL: SELECT "home_team_score" FROM footscray_vs_southmelbourne_1971 WHERE "away_team" = 'north melbourne'