Builder H. K. Porter, inc who had a type of 0-4-4 Forney locomotive, has what works number?
CREATE TABLE "locomotives" (
  "number" text,
  "builder" text,
  "type" text,
  "date" text,
  "works_number" real
);
SELECT "works_number" FROM "locomotives" WHERE "type"='0-4-4 forney locomotive' AND "builder"='h. k. porter, inc';