user: Question: On what date did Collingwood 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: ['North Melbourne', '8.12 (60)', 'South Melbourne', '11.12 (78)', 'Arden Street Oval', 5000.0, '3 September 1927']
SQL:

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