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_7 (type VARCHAR, delivered VARCHAR)
### Question:
What is the type of the locomotive which was delivered in 1857-59?
### Answer:
SELECT type FROM table_name_7 WHERE delivered = "1857-59"