user: Question: What is Wheel Arrangement, when Manufacturer is "Baldwin", and when Quantity Made is 12?
Columns: ['Class', 'Wheel arrangement', 'Manufacturer', 'Year made', 'Quantity made', 'Quantity preserved']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['4-4-0 — ooOO — American', '4-4-0 — ooOO — American', '4-4-0 — ooOO — American', '4-4-0 — ooOO — American', '4-4-0 — ooOO — American', '4-4-0 — ooOO — American']
SQL:

assistant: SELECT "Wheel arrangement" FROM "Table" WHERE "Manufacturer" = 'Baldwin' AND "Quantity made" = '12';