user: Question: What is the average crowd at Victoria 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', '10.14 (74)', 'South Melbourne', '8.10 (58)', 'Western Oval', 10000.0, '6 August 1949']
SQL:

assistant: SELECT AVG("Crowd") FROM "Table" WHERE "Venue" = 'Victoria Park';