user: Question: When did Carlton play as the home team?
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', '16.14 (110)', 'Geelong', '9.11 (65)', 'Western Oval', 15204.0, '6 April 1974']
SQL:

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