user: Question: What is the date for home team Collingwood?
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', '10.23 (83)', 'North Melbourne', '11.15 (81)', 'Western Oval', 13118.0, '8 August 1970']
SQL:

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