user: Question: What was the lowest crowd size for the Carlton 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: ['Melbourne', '9.11 (65)', 'Richmond', '13.7 (85)', 'Punt Road Oval', 23000.0, '12 May 1945']
SQL:

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