user: Question: Which motor's quantity was more than 8, and a class of BS 1915?
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 "Quantity" > 8.0 AND "Class" = 'BS 1915';