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

### Instruction:
What was the average attendance when the opponent was at Philadelphia Eagles and the week was later than week 6?

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

### Response:
SELECT AVG Attendance FROM table WHERE Week > 6 AND Opponent = at philadelphia eagles