user: Question: Name the title with termination of mission of April 10, 1939
Columns: ['Representative', 'Title', 'Presentation of Credentials', 'Termination of Mission', 'Appointed by']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['James Cooley', "Chargé d'Affaires", 'May 21, 1827', 'February 24, 1828', 'John Quincy Adams']
SQL:

assistant: SELECT "Title" FROM "Table" WHERE "Termination of Mission" = 'April 10, 1939';