user: Question: Which Date has a Record of 4–2–0?
Columns: ['Date', 'Visitor', 'Score', 'Home', 'Attendance', 'Record', 'Points']
Types: ['text', 'text', 'text', 'text', 'real', 'text', 'real']
Sample row: ['October 7', 'Los Angeles', '2–4', 'Pittsburgh', 11105.0, '1–0–0', 2.0]
SQL:

assistant: SELECT "Date" FROM "Table" WHERE "Record" = '4–2–0';