Unable to answer "What’s the house number of this building?" – Residential Building – way/465498452 via StreetComplete 63.2:

House has no number on the door, but it's probably 7 given that side of the street has odd numbers and the houses next to it are 5 and 9.

Unable to answer "What’s the surface here?" – Foot Path – way/203967504 via StreetComplete 63.2:

Seems to be blocked off with new construction.

Unable to answer "How does this path cross the barrier here?" – node/2139790913 via StreetComplete 63.2:

It's blocked off because of new construction.

Unable to answer "How many steps are here?" – Steps – way/1024908048 via StreetComplete 63.2:

It's private railway land