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

### Instruction:
What was the lowest week at Ralph Wilson Stadium on October 7, 2001?

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

### Response:
SELECT MIN Week FROM table WHERE Game Site = ralph wilson stadium AND Date = october 7, 2001