Unable to answer "What is the house number of this building?" for https://osm.org/way/427357363 via StreetComplete 22.3:

No hay un número, pero un nombre: Patronat Municipal d'Escoles d'Infants Escola del Molinar.

Attached photo(s):
https://westnordost.de/p/19902.jpg
https://westnordost.de/p/19903.jpg