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_57 (motor VARCHAR, quantity VARCHAR, class VARCHAR)
### Question:
Which motor's quantity was more than 8, and a class of bs 1915?
### Answer:
SELECT motor FROM table_name_57 WHERE quantity > 8 AND class = "bs 1915"