user: ### NOW ANSWER:
Question: Who lost at Schaefer Stadium when the Winner was New England Patriots, and a Date of October 18?
Columns: ['Year', 'Date', 'Winner', 'Result', 'Loser', 'Location']
Types: ['real', 'text', 'text', 'text', 'text', 'text']
Sample row: [1970.0, 'September 27', 'New York Jets', '31–21', 'Boston Patriots', 'Harvard Stadium']
SQL:

assistant: SELECT "Loser" FROM "Table" WHERE "Location" = 'Schaefer Stadium' AND "Winner" = 'New England Patriots' AND "Date" = 'October 18';