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