CREATE TABLE "locomotives" (
  "road_number" text,
  "traction" text,
  "builder" text,
  "built" text,
  "service" text,
  "wheels" text,
  "weight" text
);

Question: What type of wheels did the locomotive have that was built by Baldwin Locomotive Works?
SQL: SELECT "wheels" FROM "locomotives" WHERE "builder"='baldwin locomotive works';