user: Question: When the home team North Melbourne was playing what did they score?
Columns: ['Home team', 'Home team score', 'Away team', 'Away team score', 'Venue', 'Crowd', 'Date']
Types: ['text', 'text', 'text', 'text', 'text', 'real', 'text']
Sample row: ['Footscray', '20.11 (131)', 'Melbourne', '14.8 (92)', 'Western Oval', 14204.0, '21 June 1975']
SQL:

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