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

### Instruction:
Who are the outgoing head coaches whose manner of departure is Gardening Leave 1?

### Inputs:
table_name: table, columns: ['Club', 'Outgoing Head Coach', 'Date of vacancy', 'Manner of departure', 'Incoming Head Coach', 'Date of appointment']

### Response:
SELECT Outgoing Head Coach FROM table WHERE Manner of departure = Gardening leave 1