CREATE TABLE table_13551 ("Team" CLOB, "Outgoing manager" CLOB, "Manner of departure" CLOB, "Date of vacancy" CLOB, "Replaced by" CLOB, "Date of appointment" CLOB, "Position in table" CLOB)

what is the date of vacancy when the manner of departure is contract terminated, the position in table is 23rd and the date of appointment is 31 december 2008?
SELECT "Date of vacancy" FROM table_13551 WHERE "Manner of departure" = 'contract terminated' AND "Position in table" = '23rd' AND "Date of appointment" = '31 december 2008'
SELECT "Date of vacancy" FROM "table_13551" WHERE "Date of appointment" = '31 december 2008' AND "Manner of departure" = 'contract terminated' AND "Position in table" = '23rd'