What kind of locomotive is Winston Churchill?
CREATE TABLE "locomotives_in_service" (
  "name" text,
  "locomotive_type" text,
  "wheel_arr" text,
  "builder" text,
  "year_built" real,
  "whistle" text,
  "in_traffic" text
);
SELECT "locomotive_type" FROM "locomotives_in_service" WHERE "name"='winston churchill';