user: ### NOW ANSWER:
Question: How many people attended the North Melbourne game?
Columns: ['Home team', 'Home team score', 'Away team', 'Away team score', 'Venue', 'Crowd', 'Date']
Types: ['text', 'text', 'text', 'text', 'text', 'real', 'text']
Sample row: ['North Melbourne', '11.12 (78)', 'Richmond', '17.15 (117)', 'Arden Street Oval', 19114.0, '7 July 1973']
SQL:

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