user: Question: When Carlton was the home team what was the lowest crowd turnout?
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', '12.11 (83)', 'St Kilda', '7.15 (57)', 'Arden Street Oval', 9000.0, '13 August 1938']
SQL:

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