CREATE TABLE table_57335 ("Team" CLOB, "Outgoing manager" CLOB, "Manner of departure" CLOB, "Date of vacancy" CLOB, "Replaced by" CLOB, "Date of appointment" CLOB)

What was the manner of depature when the date of appointment was 27 December 2007?
SELECT "Manner of departure" FROM table_57335 WHERE "Date of appointment" = '27 december 2007'
SELECT "Manner of departure" FROM "table_57335" WHERE "Date of appointment" = '27 december 2007'