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_16 (class VARCHAR, quantity_made VARCHAR, type VARCHAR)
### Question:
What is the class of the locomotive with a quantity made of 1 and a 0-6-0t type?
### Answer:
SELECT class FROM table_name_16 WHERE quantity_made = "1" AND type = "0-6-0t"