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

### Instruction:
Which Facility ID has a City of license of springfield, ma, and a ERP / Power W smaller than 230?

### Inputs:
table_name: table, columns: ['Call sign', 'Frequency', 'City of license', 'Facility ID', 'ERP / Power W', 'Height m ( ft )', 'Class']

### Response:
SELECT MAX Facility ID FROM table WHERE City of license = springfield, ma AND ERP / Power W < 230