Name the 2 car sets for 622 
CREATE TABLE "production" (
  "fiscal_year" real,
  "2_car_sets" real,
  "3_car_sets" real,
  "4_car_sets" real,
  "6_car_sets" real,
  "8_car_sets" real,
  "total_vehicles" real
);
SELECT "2_car_sets" FROM "production" WHERE "total_vehicles"=622;