In rounds 7-13 what engine was featured?
CREATE TABLE table_name_58 (engine VARCHAR, rounds VARCHAR)
SELECT engine FROM table_name_58 WHERE rounds = "7-13"
### Context: CREATE TABLE table_name_58 (engine VARCHAR, rounds VARCHAR) ### Question: In rounds 7-13 what engine was featured? ### Answer: SELECT engine FROM table_name_58 WHERE rounds = "7-13"