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

### Instruction:
Of the times the Broncos played the Cincinnati Bengals, what was the highest attendance?

### Inputs:
table_name: table, columns: ['Week', 'Date', 'Opponent', 'Result', 'Game site', 'Record', 'Attendance']

### Response:
SELECT MAX Attendance FROM table WHERE Opponent = Cincinnati Bengals