user: ### NOW ANSWER:
Question: How much Body Width/mm has a Body Length/mm of 18.4, and Pins of 40?
Columns: ['Part Number', 'Pins', 'Body Width/mm', 'Body Length/mm', 'Lead Pitch/mm']
Types: ['text', 'text', 'real', 'real', 'real']
Sample row: ['TSOP28', '28', 8.1, 11.8, 0.55]
SQL:

assistant: SELECT COUNT("Body Width/mm") FROM "Table" WHERE "Body Length/mm" = 18.4 AND "Pins" = '40';