Which Entrant has a vanwall straight-4 engine?
CREATE TABLE table_name_47 (
    entrant VARCHAR,
    engine VARCHAR
)
SELECT entrant FROM table_name_47 WHERE engine = "vanwall straight-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: Which Entrant has a vanwall straight-4 engine? ### Input: CREATE TABLE table_name_47 (
    entrant VARCHAR,
    engine VARCHAR
) ### Response: SELECT entrant FROM table_name_47 WHERE engine = "vanwall straight-4"