user: Question: What was the smallest crowd when Footscray played at home?
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', '12.8 (80)', 'South Melbourne', '7.16 (58)', 'Arden Street Oval', 5000.0, '22 August 1925']
SQL:

assistant: SELECT MIN("Crowd") FROM "Table" WHERE "Home team" = 'Footscray';