user: Question: What day is Collingwood the home side?
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', '14.9 (93)', 'North Melbourne', '10.8 (68)', 'Western Oval', 12000.0, '10 July 1926']
SQL:

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