user: Question: What day did North Melbourne 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', '11.25 (91)', 'Geelong', '7.15 (57)', 'Western Oval', 8000.0, '14 August 1948']
SQL:

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