user: ### NOW ANSWER:
Question: Name the model number for USF46
Columns: ['Chassis code', 'Model no.', 'Production years', 'Drivetrain', 'Transmission', 'Engine type', 'Engine code', 'Region(s)']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['USF40 (Japanese)', 'LS 460', '2006–', 'RWD', '8-speed AA80E AT', '4.6 L petrol V8', '1UR-FSE', 'N. America, Asia, Europe, Oceania']
SQL:

assistant: SELECT "Model no." FROM "Table" WHERE "Chassis code" = 'USF46';