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CREATE TABLE table_1886270_1 (built VARCHAR, withdrawn VARCHAR)
### Question:
When 2/1939 is the withdrawn when was it built?
### Answer:
SELECT built FROM table_1886270_1 WHERE withdrawn = "2/1939"