CREATE TABLE table_name_14 (commissioned VARCHAR2, fate VARCHAR2)

When was the ship that had a fate of 'converted to laker, 1961; still in service' commissioned?
SELECT commissioned FROM table_name_14 WHERE fate = "converted to laker, 1961; still in service"
SELECT "commissioned" FROM "table_name_14" WHERE "converted to laker, 1961; still in service" = "fate"