Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_68280 ( "Representative" text, "Title" text, "Presentation of credentials" text, "Termination of mission" text, "Appointed by" text )

### Question ###
Name the termination of mission for appointed by of franklin pierce

### Accurate SQL ###

SELECT "Termination of mission" FROM table_68280 WHERE "Appointed by" = 'franklin pierce'