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

### Instruction:
What is the first locomotive that has a SLM number lower than 924?

### Inputs:
table_name: table, columns: ['Built', 'Number', 'Type', 'SLM Number', 'Wheel arrangement', 'Location', 'Notes']

### Response:
SELECT MIN Number FROM table WHERE SLM Number < 924