Who was the opponent when the Washington Nationals had a record of 8-4?
CREATE TABLE table_name_24 (
    opponent VARCHAR,
    record VARCHAR
)
SELECT opponent FROM table_name_24 WHERE record = "8-4"
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 was the opponent when the Washington Nationals had a record of 8-4? ### Input: CREATE TABLE table_name_24 (
    opponent VARCHAR,
    record VARCHAR
) ### Response: SELECT opponent FROM table_name_24 WHERE record = "8-4"