user: ### NOW ANSWER:
Question: How much Body Width/mm has a Part Number of tsop40/44, and a Body Length/mm smaller than 18.42?
Columns: ['Part Number', 'Pins', 'Body Width/mm', 'Body Length/mm', 'Lead Pitch/mm']
Types: ['text', 'text', 'real', 'real', 'real']
Sample row: ['TSOP20/24/26', '20/24/26', 7.6, 17.14, 1.27]
SQL:

assistant: SELECT SUM("Body Width/mm") FROM "Table" WHERE "Part Number" = 'tsop40/44' AND "Body Length/mm" < 18.42;