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_13605170_2 (national_origin VARCHAR, retired VARCHAR, in_service VARCHAR)
### Question:
What is the origin of aircraft in service in 1943 and retired in 1954?
### Answer:
SELECT national_origin FROM table_13605170_2 WHERE retired = "1954" AND in_service = "1943"