Unable to answer "How is this power line attached?" – Power Pole – node/13501056191 via StreetComplete 63.1:

Mixed metal and wood poles, mixed suspension types, would have to break route into lots of smaller segments to meaningfully answer

Attached photo(s):
https://streetcomplete.app/p/352485.jpg

Unable to answer "What’s the house number of this building?" – House – way/1412579926 via StreetComplete 63.1:

Building was demolished last year