user: Question: What is the Manufacturer with a Fuel Type that is Diesel?
Columns: ['Manufacturer', 'Model', 'Year Built', 'Vehicle Length', 'Fuel Type', '# in fleet']
Types: ['text', 'text', 'real', 'text', 'text', 'real']
Sample row: ['New Flyer', 'C35LF', 2006.0, '35 feet', 'CNG', 2.0]
SQL:

assistant: SELECT "Manufacturer" FROM "Table" WHERE "Fuel Type" = 'Diesel';