Table schema:
CREATE TABLE table_name_49 (replaced_by VARCHAR, manner_of_departure VARCHAR, date_of_appointment VARCHAR)

Question: What kind of Replaced has a Manner of departure of end of contract on dec. 16, 2008?
SQL: SELECT replaced_by FROM table_name_49 WHERE manner_of_departure = "end of contract" AND date_of_appointment = "dec. 16, 2008"