user: Question: Which Opponent has a Location/Attendance of Delta Center/19,911 on Dec 6?
Columns: ['Game', 'Date', 'Opponent', 'Score', 'Location/Attendance', 'Record']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['14', 'Dec 1', 'at Seattle SuperSonics', '96-90 W', 'KeyArena at Seattle Center/17,072', '12-2']
SQL:

assistant: SELECT "Opponent" FROM "Table" WHERE "Location/Attendance" = 'Delta Center/19,911' AND "Date" = 'Dec 6';