user: Question: Which Lead Pitch/mm has a Part Number of tsop40, and a Body Length/mm larger than 18.4?
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 "Lead Pitch/mm" FROM "Table" WHERE "Part Number" = 'tsop40' AND "Body Length/mm" > 18.4;