With which association did estribillo ii run as Horse 1?
CREATE TABLE table_name_30 (
    association VARCHAR,
    horse_1 VARCHAR
)
SELECT association FROM table_name_30 WHERE horse_1 = "estribillo ii"
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: With which association did estribillo ii run as Horse 1? ### Input: CREATE TABLE table_name_30 (
    association VARCHAR,
    horse_1 VARCHAR
) ### Response: SELECT association FROM table_name_30 WHERE horse_1 = "estribillo ii"