user: Question: What is the date of the game where Collingwood was 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: ['Melbourne', '8.15 (63)', 'South Melbourne', '1.11 (17)', 'MCG', 25737.0, '26 May 1962']
SQL:

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