What date have highest 0-4-4 forney locomotive with number larger than 20 and works number larger than 23754?
CREATE TABLE "locomotives" (
  "number" real,
  "builder" text,
  "type" text,
  "date" real,
  "works_number" real
);
SELECT MAX("date") FROM "locomotives" WHERE "type"='0-4-4 forney locomotive' AND "number">20 AND "works_number">23754;