Table: vfl_1982_game_8
Columns: home_team
home_team_score
away_team
away_team_score
venue
crowd
date

Question: What was the size of the crowd at the game played at Junction Oval?
SQL: SELECT AVG("crowd") FROM vfl_1982_game_8 WHERE "venue" = 'junction oval'

Question: When was the game when North Melbourne was the home team?
SQL: SELECT "date" FROM vfl_1982_game_8 WHERE "home_team" = 'north melbourne'