Melmann
Unable to answer "What is the house number of this building?" for https://www.openstreetmap.org/way/509963162 via StreetComplete 3.2:

Signage outside says this is Madad-Ul-Islam Girls College. There is no street number displayed outside.

Attached photo(s):
https://lut.im/D5pvXpglqS/VCxpXGHtGF1yNOj1