CREATE TABLE table_name_68 (builder VARCHAR, order_year VARCHAR, fuel_propulsion VARCHAR, model VARCHAR)

Which builder has a Fuel Propulsion of diesel, a Model of d40lf, and an Order Year of 2005?
SELECT builder FROM table_name_68 WHERE fuel_propulsion = "diesel" AND model = "d40lf" AND order_year = "2005"
SELECT "builder" FROM "table_name_68" WHERE "2005" = "order_year" AND "d40lf" = "model" AND "diesel" = "fuel_propulsion"