CREATE TABLE table_name_52 (manner_of_departure VARCHAR, date_of_appointment VARCHAR)

What was the manner of depature when the date of appointment was 27 December 2007?
SELECT manner_of_departure FROM table_name_52 WHERE date_of_appointment = "27 december 2007"
SELECT "manner_of_departure" FROM "table_name_52" WHERE "27 december 2007" = "date_of_appointment"