Unable to answer "What’s the topic of this information board?" – Welcome to Watersmeet and the Lyn Valley (Information Board) – https://osm.org/node/3463659200 via StreetComplete 58.0:

Covers several categories.

Attached photo(s):
https://westnordost.de/p/219478.jpg

Unable to answer "Do you have to pay to use this restroom?" – Flush Toilets – https://osm.org/node/3635412281 via StreetComplete 57.3:

These are now closed, not sure if they will ever reopen.

Unable to answer "What’s the house number of this building?" – Waterfront (Commercial Building) – https://osm.org/way/398890611 via StreetComplete 57.3:

It's a building at centreparcs with a restaurant, kiosk, boat hire, etc. it doesn't have a street number.

Unable to answer "What’s the topic of this information board?" for https://osm.org/node/7370510219 via StreetComplete 49.2:

The name of the park, contact details for the council.

Unable to answer "What kind of seating does this place have?" – on level 1: The Old Mill Tea Room (Cafe) – https://osm.org/node/5092080788 via StreetComplete 57.2:

I'm not sure which shop/building this was in, but it hasn't been here for a few years at least.

Unable to answer "What’s the house number of this building?" – House – https://osm.org/way/1268217211 via StreetComplete 57.1:

It's a double detached garage, not a house

21 quite steep steps from the road down onto the footpath. Ramp access about 10m along from the top.

via StreetComplete 46.1

Attached photo(s):
https://westnordost.de/p/112571.jpg