Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_name_72 ( week INTEGER, game_site VARCHAR, date VARCHAR )

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

### Accurate SQL ###

SELECT MIN(week) FROM table_name_72 WHERE game_site = "ralph wilson stadium" AND date = "october 7, 2001"