user: Question: What date does the Home team of Richmond have?
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', '6.6 (42)', 'North Melbourne', '8.13 (61)', 'Western Oval', 13325.0, '10 August 1957']
SQL:

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