Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
What was the manner of depature when the date of appointment was 27 December 2007?

### Inputs:
table_name: table, columns: ['Team', 'Outgoing manager', 'Manner of departure', 'Date of vacancy', 'Replaced by', 'Date of appointment']

### Response:
SELECT Manner of departure FROM table WHERE Date of appointment = 27 december 2007