Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_name_50 (rounds VARCHAR, tyre VARCHAR, engine_† VARCHAR)
### Question:
What are the rounds for the B tyres and Ferrari 053 engine +?
### Answer:
SELECT rounds FROM table_name_50 WHERE tyre = "b" AND engine_† = "ferrari 053"