user: ### NOW ANSWER:
Question: How large was the crowd when they played at Princes Park?
Columns: ['Home team', 'Home team score', 'Away team', 'Away team score', 'Venue', 'Crowd', 'Date']
Types: ['text', 'text', 'text', 'text', 'text', 'real', 'text']
Sample row: ['Footscray', '6.10 (46)', 'Melbourne', '15.15 (105)', 'Western Oval', 16000.0, '5 June 1926']
SQL:

assistant: SELECT SUM("Crowd") FROM "Table" WHERE "Venue" = 'Princes Park';