Who is the constructor whose circuit was Oulton Park?
CREATE TABLE table_name_71 (
    constructor VARCHAR,
    circuit VARCHAR
)
SELECT constructor FROM table_name_71 WHERE circuit = "oulton park"
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 is the constructor whose circuit was Oulton Park? ### Input: CREATE TABLE table_name_71 (
    constructor VARCHAR,
    circuit VARCHAR
) ### Response: SELECT constructor FROM table_name_71 WHERE circuit = "oulton park"