On Sept. 17, how many first downs did the oilers have?
CREATE TABLE table_15984957_2 (
    oilers_first_downs VARCHAR,
    date VARCHAR
)
SELECT COUNT(oilers_first_downs) FROM table_15984957_2 WHERE date = "Sept. 17"
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: On Sept. 17, how many first downs did the oilers have? ### Input: CREATE TABLE table_15984957_2 (
    oilers_first_downs VARCHAR,
    date VARCHAR
) ### Response: SELECT COUNT(oilers_first_downs) FROM table_15984957_2 WHERE date = "Sept. 17"