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

### Instruction:
What is the class of the locomotive with a quantity made of 1 and a 0-6-0t type?

### Inputs:
table_name: table, columns: ['Class', 'Type', 'Names', 'Quantity made', 'Manufacturer', 'Date made']

### Response:
SELECT Class FROM table WHERE Quantity made = 1 AND Type = 0-6-0t