Who lost at schaefer stadium when the Winner was new england patriots, and a Date of october 18?
CREATE TABLE table_36643 (
    "Year" real,
    "Date" text,
    "Winner" text,
    "Result" text,
    "Loser" text,
    "Location" text
)
SELECT "Loser" FROM table_36643 WHERE "Location" = 'schaefer stadium' AND "Winner" = 'new england patriots' AND "Date" = 'october 18'
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: Who lost at schaefer stadium when the Winner was new england patriots, and a Date of october 18? ### Input: CREATE TABLE table_36643 (
    "Year" real,
    "Date" text,
    "Winner" text,
    "Result" text,
    "Loser" text,
    "Location" text
) ### Response: SELECT "Loser" FROM table_36643 WHERE "Location" = 'schaefer stadium' AND "Winner" = 'new england patriots' AND "Date" = 'october 18'