user: Question: What was the lowest attendance at a Fitzroy match?
Columns: ['Home team', 'Home team score', 'Away team', 'Away team score', 'Venue', 'Crowd', 'Date']
Types: ['text', 'text', 'text', 'text', 'text', 'real', 'text']
Sample row: ['Geelong', '8.8 (56)', 'Hawthorn', '2.13 (25)', 'Corio Oval', 4000.0, '22 June 1929']
SQL:

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