Please answer the following question: Smedestraat 33 (Haarlem) - Smedestraat 33 (Dutch: Smedestraat 33) is the address of a doorway in Haarlem. The brickwork of the doorway including a round false window is from the second half of the 17th century and has been declared one of the national monuments of The Netherlands. This brick doorway only recently acquired the lock on the door and was originally an open access gateway to an alley that separated two houses and joined up with the small public garden called the Wijngaardtuin. Given a choice of categories company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, the text refers to which one?
Answer:
Building