user: Question: What was the listed attendance when North Melbourne was 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', '15.8 (98)', 'St Kilda', '12.9 (81)', 'Glenferrie Oval', 15000.0, '4 August 1956']
SQL:

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