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

### Instruction:
How much Body Width/mm has a Body Length/mm of 18.4, and Pins of 40?

### Inputs:
table_name: table, columns: ['Part Number', 'Pins', 'Body Width/mm', 'Body Length/mm', 'Lead Pitch/mm']

### Response:
SELECT COUNT Body Width/mm FROM table WHERE Body Length/mm = 18.4 AND Pins = 40