user: ### NOW ANSWER:
Question: What bore goes with an 18 AB?
Columns: ['Name', 'Cyl.', 'Bore', 'Capacity', 'Power', 'Weight']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['9 AD', '9-cyl radial', 'mm (in)', 'l (cuin)', 'kW (hp) at 2,000rpm', 'Weight kg (lb)']
SQL:

assistant: SELECT "Bore" FROM "Table" WHERE "Name" = '18 AB';