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CREATE TABLE table_1181375_1 (engine VARCHAR, builder VARCHAR, withdrawn VARCHAR)
### Question:
 what's the engine where builder is gloucester rcw and withdrawn is 1959
### Answer:
SELECT engine FROM table_1181375_1 WHERE builder = "Gloucester RCW" AND withdrawn = "1959"