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

### Instruction:
How many people attended the green bay packers game?

### Inputs:
table_name: table, columns: ['Game', 'Date', 'Opponent', 'Result', 'Score', 'Record', 'Streak', 'Attendance']

### Response:
SELECT SUM Attendance FROM table WHERE Opponent = green bay packers