user: Question: Which vehicle has a Diagram of 516 or smaller, and a Driving Motor Brake Second (DMBS) type.
Columns: ['Number', 'Type', 'Seating', 'Diagram no', 'Lot no.', 'Weight']
Types: ['text', 'text', 'text', 'real', 'real', 'text']
Sample row: ['50000', 'Driving Motor Brake Second (DMBS)', '62 2nd', 632.0, 30341.0, '41tons3cwt ( lb or t)']
SQL:

assistant: SELECT "Seating" FROM "Table" WHERE "Diagram no" > 516.0 AND "Type" = 'Driving Motor Brake Second (DMBS)';