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_15 (number VARCHAR, builder VARCHAR, works_number VARCHAR)
### Question:
With a works number of 40864 for the builder of Baldwin Locomotive Works, the number listed is?
### Answer:
SELECT number FROM table_name_15 WHERE builder = "baldwin locomotive works" AND works_number = 40864