CREATE TABLE table_name_85 (model VARCHAR, seats VARCHAR, built VARCHAR)

What is the Model of the Engine with 29 Seats Built in 1941 1942?
SELECT model FROM table_name_85 WHERE seats = 29 AND built = "1941–1942"
SELECT "model" FROM "table_name_85" WHERE "1941–1942" = "built" AND "seats" = 29