user: Question: What was North Melbourne's score when they were the home 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: ['Hawthorn', '19.6 (120)', 'St Kilda', '14.7 (91)', 'Glenferrie Oval', 34500.0, '19 August 1961']
SQL:

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