What was the complement for the unit that had 3 off 37 men killed?
CREATE TABLE table_2596811_12 (
    complement VARCHAR,
    killed VARCHAR
)
SELECT complement FROM table_2596811_12 WHERE killed = "3 off 37 men"
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: What was the complement for the unit that had 3 off 37 men killed? ### Input: CREATE TABLE table_2596811_12 (
    complement VARCHAR,
    killed VARCHAR
) ### Response: SELECT complement FROM table_2596811_12 WHERE killed = "3 off 37 men"