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_1 (specification VARCHAR, total_produced VARCHAR, model VARCHAR)
### Question:
What is the specification of the locomotives with a total produced more than 19 and a model of fb-1?
### Answer:
SELECT specification FROM table_name_1 WHERE total_produced > 19 AND model = "fb-1"