user: Question: On what Date is the Crowd larger than 17000?
Columns: ['Home team', 'Home team score', 'Away team', 'Away team score', 'Venue', 'Crowd', 'Date']
Types: ['text', 'text', 'text', 'text', 'text', 'real', 'text']
Sample row: ['Richmond', '10.15 (75)', 'South Melbourne', '16.12 (108)', 'Punt Road Oval', 27000.0, '17 July 1926']
SQL:

assistant: SELECT "Date" FROM "Table" WHERE "Crowd" > 17000.0;