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_42 (build_date VARCHAR, total_produced VARCHAR, model VARCHAR)
### Question:
What is the build date of the locomotives with a total produced less than 45 and a fb-2 model?
### Answer:
SELECT build_date FROM table_name_42 WHERE total_produced < 45 AND model = "fb-2"