user: Question: Chauncey Billups (6) had a high assist on what date?
Columns: ['Game', 'Date', 'Team', 'Score', 'High points', 'High rebounds', 'High assists', 'Location Attendance', 'Record']
Types: ['real', 'text', 'text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: [48.0, 'February 3', 'San Antonio', 'W 104–96 (OT)', 'Carmelo Anthony (35)', 'Nenê (11)', 'Anthony Carter (9)', 'Pepsi Center 18,536', '32–16']
SQL:

assistant: SELECT "Date" FROM "Table" WHERE "High assists" = 'Chauncey Billups (6)';