user: Question: What kind of Replaced has a Manner of departure of End of contract on Dec. 16, 2008?
Columns: ['Team', 'Outgoing manager', 'Manner of departure', 'Date of vacancy', 'Replaced by', 'Date of appointment', 'Position in table']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Huracán', 'Claudio Ubeda', 'Resigned', 'Sep. 14, 2008', 'Héctor Martínez (interim)', 'Sep. 15, 2008', '20th (A)']
SQL:

assistant: SELECT "Replaced by" FROM "Table" WHERE "Manner of departure" = 'End of contract' AND "Date of appointment" = 'Dec. 16, 2008';