SCHEMA:
CREATE TABLE table_name_37 (termination_of_mission VARCHAR, appointed_by VARCHAR, title VARCHAR)
USER:
What is the termination of mission date of the representative appointed by Franklin Pierce with a title of chargé d'affaires?

QUERY:
SELECT termination_of_mission FROM table_name_37 WHERE appointed_by = "franklin pierce" AND title = "chargé d'affaires"