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

### Instruction:
What opponent had an attendance of 12,508 during weeks 1 through 8?

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

### Response:
SELECT Opponent FROM table WHERE Week < 8 AND Attendance = 12,508