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

### Instruction:
What week did the Jets play in the meadowlands with and attendance of 78,161?

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

### Response:
SELECT SUM Week FROM table WHERE Game site = the meadowlands AND Attendance = 78,161