user: Question: Which team was the opponent on October 21?
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: [1.0, 'October 7', 'Memphis', 'L 111–115 (OT)', 'Jeff Teague (20)', 'Marvin Williams (10)', 'Jeff Teague (6)', 'Philips Arena 7,132', '0–1']
SQL:

assistant: SELECT "Team" FROM "Table" WHERE "Date" = 'October 21';