user: Question: Which motor's class was BS 1910?
Columns: ['Class', 'Quantity', 'Manufacturer', 'Motor', 'Seats']
Types: ['text', 'real', 'text', 'text', 'real']
Sample row: ['BS 1897', 16.0, 'Falkenried', 'UEG', 16.0]
SQL:

assistant: SELECT "Motor" FROM "Table" WHERE "Class" = 'BS 1910';