user: Question: On what date did Brunswick Street Oval see more than 19500 people?
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', '19.8 (122)', 'Richmond', '12.17 (89)', 'MCG', 28628.0, '29 May 1926']
SQL:

assistant: SELECT "Date" FROM "Table" WHERE "Crowd" > 19500.0 AND "Venue" = 'Brunswick Street Oval';