user: Question: Who was the home team in the game where North Melbourne was the away team?
Columns: ['Home team', 'Home team score', 'Away team', 'Away team score', 'Venue', 'Crowd', 'Date']
Types: ['text', 'text', 'text', 'text', 'text', 'real', 'text']
Sample row: ['Melbourne', '9.15 (69)', 'South Melbourne', '14.10 (94)', 'MCG', 13765.0, '31 May 1969']
SQL:

assistant: SELECT "Home team score" FROM "Table" WHERE "Away team" = 'North Melbourne';