Name the constructor for alberto ascari
CREATE TABLE table_21977704_1 (
    constructor VARCHAR,
    driver VARCHAR
)
SELECT constructor FROM table_21977704_1 WHERE driver = "Alberto Ascari"
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: Name the constructor for alberto ascari ### Input: CREATE TABLE table_21977704_1 (
    constructor VARCHAR,
    driver VARCHAR
) ### Response: SELECT constructor FROM table_21977704_1 WHERE driver = "Alberto Ascari"