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

### Instruction:
Name the first downs for points against being 0

### Inputs:
table_name: table, columns: ['Week', 'Date', 'Result', 'Record', 'Opponent', 'Points For', 'Points Against', 'First Downs', 'Attendance']

### Response:
SELECT First Downs FROM table WHERE Points Against = 0