CREATE TABLE table_name_89 (loser VARCHAR2, date VARCHAR2, location VARCHAR2, winner VARCHAR2)

Who lost at schaefer stadium when the Winner was new england patriots, and a Date of october 18?
SELECT loser FROM table_name_89 WHERE location = "schaefer stadium" AND winner = "new england patriots" AND date = "october 18"
SELECT "loser" FROM "table_name_89" WHERE "date" = "october 18" AND "location" = "schaefer stadium" AND "new england patriots" = "winner"