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