user: Question: When the Home team of Geelong played, what was their lowest Crowd number?
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', '15.10 (100)', 'South Melbourne', '17.12 (114)', 'Corio Oval', 14700.0, '25 May 1935']
SQL:

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