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_21 (driver_s_ VARCHAR, primary_sponsor_s_ VARCHAR)
### Question:
Parts Plus sponsors what driver?
### Answer:
SELECT driver_s_ FROM table_name_21 WHERE primary_sponsor_s_ = "parts plus"