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

### Instruction:
Group position of 1st, and a Result F–A of 2–0 has what average attendance?

### Inputs:
table_name: table, columns: ['Date', 'Opponents', 'Result F–A', 'Attendance', 'Group position']

### Response:
SELECT AVG Attendance FROM table WHERE Group position = 1st AND Result F–A = 2–0