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

### Instruction:
What's the Proto Germanic when then German is /s/ or /ts/?

### Inputs:
table_name: table, columns: ['Proto-Germanic', 'West Germanic', 'Old English', 'German', 'Dutch']

### Response:
SELECT Proto-Germanic FROM table WHERE German = /s/ or /ts/