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

### Instruction:
What is the largest number of cars per set that is less than 9?

### Inputs:
table_name: table, columns: ['Class', 'Operator', 'Number', 'Year Built', 'Cars per Set', 'Unit Numbers.']

### Response:
SELECT MAX Number FROM table WHERE Cars per Set < 9