When 2/1939 is the withdrawn when was it built?
CREATE TABLE table_1886270_1 (built VARCHAR, withdrawn VARCHAR)
SELECT built FROM table_1886270_1 WHERE withdrawn = "2/1939"
### Context: CREATE TABLE table_1886270_1 (built VARCHAR, withdrawn VARCHAR) ### Question: When 2/1939 is the withdrawn when was it built? ### Answer: SELECT built FROM table_1886270_1 WHERE withdrawn = "2/1939"