CREATE TABLE table_68280 ("Representative" TEXT, "Title" TEXT, "Presentation of credentials" TEXT, "Termination of mission" TEXT, "Appointed by" TEXT)

Name the termination of mission for appointed by of franklin pierce
SELECT "Termination of mission" FROM table_68280 WHERE "Appointed by" = 'franklin pierce'
SELECT "Termination of mission" FROM "table_68280" WHERE "Appointed by" = 'franklin pierce'