user: Question: Which venue had a crowd larger than 20000?
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', '9.9 (63)', 'Richmond', '2.12 (24)', 'MCG', 16989.0, '12 September 1925']
SQL:

assistant: SELECT "Venue" FROM "Table" WHERE "Crowd" > 20000.0;