Unable to answer "What’s the house number of this building?" – Detached House – way/878852524 via StreetComplete 61.3:

I don't see any structure here

Unable to answer "What surface does this road have?" – Track / Land-Access Road – way/25037737 via StreetComplete 60.0:

No path

Attached photo(s):
https://streetcomplete.app/p/255169.jpg

Unable to answer "Who is allowed to use this playground?" – City of Denver parc (Playground) – node/6164766433 via StreetComplete 59.3:

It's not a playground but a small park. No opening hours, anyone can visit

Attached photo(s):
https://westnordost.de/p/252798.jpg

not a road, just a curve (way #431978081 )