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

### Instruction:
Which Opponent that has a Week larger than 3 on october 6, 1991?

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

### Response:
SELECT Opponent FROM table WHERE Week > 3 AND Date = october 6, 1991