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

### Instruction:
Which Date has an Attendance larger than 16,186, and Points smaller than 52, and a Record of 21–16–9?

### Inputs:
table_name: table, columns: ['Date', 'Opponent', 'Score', 'Loss', 'Attendance', 'Record', 'Arena', 'Points']

### Response:
SELECT Date FROM table WHERE Attendance > 16,186 AND Points < 52 AND Record = 21–16–9