user: Question: What was the biggest crowd at Punt Road Oval?
Columns: ['Home team', 'Home team score', 'Away team', 'Away team score', 'Venue', 'Crowd', 'Date']
Types: ['text', 'text', 'text', 'text', 'text', 'real', 'text']
Sample row: ['St Kilda', '16.15 (111)', 'South Melbourne', '13.13 (91)', 'Junction Oval', 6000.0, '16 July 1949']
SQL:

assistant: SELECT MAX("Crowd") FROM "Table" WHERE "Venue" = 'Punt Road Oval';