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

### Instruction:
What class has 4-4-0 wheels and was less than number 40 built?

### Inputs:
table_name: table, columns: ['Class', 'Wheels', 'Date', 'Builder', 'No. Built']

### Response:
SELECT Class FROM table WHERE Wheels = 4-4-0 AND No. Built < 40