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