user: Question: When did Fitzroy play at home?
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', '16.17 (113)', 'South Melbourne', '11.13 (79)', 'Punt Road Oval', 22000.0, '30 August 1947']
SQL:

assistant: SELECT "Date" FROM "Table" WHERE "Home team" = 'Fitzroy';