Who lost when the mariners played on September 12?
CREATE TABLE table_name_37 (
    loss VARCHAR,
    opponent VARCHAR,
    date VARCHAR
)
SELECT loss FROM table_name_37 WHERE opponent = "mariners" AND date = "september 12"
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 when the mariners played on September 12? ### Input: CREATE TABLE table_name_37 (
    loss VARCHAR,
    opponent VARCHAR,
    date VARCHAR
) ### Response: SELECT loss FROM table_name_37 WHERE opponent = "mariners" AND date = "september 12"