CREATE TABLE table_name_16 (title VARCHAR(255), leading_lady VARCHAR(255), director VARCHAR(255), year VARCHAR(255))
What title has rouben mamoulian directing after 1940 with linda darnell as the leading lady?
    
SQL: SELECT title FROM table_name_16 WHERE director = "rouben mamoulian" AND year > 1940 AND leading_lady = "linda darnell"