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

### Instruction:
What is the service charge of the boat howitzers with 456 made?

### Inputs:
table_name: table, columns: ['Designation', 'Bore', 'Weight', 'Service Charge', 'Range (yards)', 'Number Made']

### Response:
SELECT Service Charge FROM table WHERE Number Made = 456