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

### Instruction:
What was built in a class with less than 10, and the Downer Rail owner?

### Inputs:
table_name: table, columns: ['Owner', 'Class', 'Number in class', 'Road numbers', 'Built']

### Response:
SELECT Built FROM table WHERE Number in class < 10 AND Owner = downer rail