Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
Which Opponent has a Location/Attendance of delta center/19,911 on dec 6?

### Inputs:
table_name: table, columns: ['Game', 'Date', 'Opponent', 'Score', 'Location/Attendance', 'Record']

### Response:
SELECT Opponent FROM table WHERE Location/Attendance = delta center/19,911 AND Date = dec 6