In context of overlay "Things" – Bicycle Repair Tool Stand – node/13960250534 via StreetComplete 63.1:

Not entirely sure if it has a chain tool or not

Attached photo(s):
https://streetcomplete.app/p/352743.jpg
https://streetcomplete.app/p/352744.jpg

Unable to answer "What’s the reference number here?" – University of Hull (Post Box) – node/1231573414 via StreetComplete 63.1:

It doesn't appear to have one...

Attached photo(s):
https://streetcomplete.app/p/351968.jpg

Unable to answer "Is the water potable here?" – Victorian Water Pump (Water Well) – node/10012927269 via StreetComplete 63.1:

Sign says it's non functional at the moment

Unable to answer "What type of bicycle parking is this?" – Bicycle Parking – way/669240773 via StreetComplete 63.1:

It's Sheffield stands inside concrete structure, but card locked and you have to ask permission to get access

Attached photo(s):
https://streetcomplete.app/p/346191.jpg
https://streetcomplete.app/p/346192.jpg

In context of overlay "Cycleways" – Hull Road [B1233] (Secondary Road) – way/304260155 via StreetComplete 63.1:

Shared use pavement is split

Attached photo(s):
https://streetcomplete.app/p/345890.jpg

Unable to answer "What are the opening hours here?" – Brynmor Jones Art Collection (Art Gallery) – node/12565574980 via StreetComplete 63.1:

Differs by floor. Different floors have different opening times. Don't immediately have to hand but can dig out if OSM has a way to represent that?

Unable to answer "Is this road completed?" – Road Under Construction – way/1418276461 via StreetComplete 63.1:

Seems like a field to me. Sorry no pic didn't get one in time

Unable to answer "What are the opening hours here?" – The AP Deli (Delicatessen) – node/779171844 via StreetComplete 63.0:

Add opening hours function not working in street complete, see attached photo

Attached photo(s):
https://streetcomplete.app/p/338311.jpg

Unable to answer "How many car lanes does this road have?" – Anlaby Road [A1105] (Primary Road) – way/6236138 via StreetComplete 58.0:

StreetComplete says to leave a note for bus lanes. 1 x bus lane going eastbound +1 normal lane, 1 x normal lane going westbound.

Unable to answer "Is this still here?" – Telephone – node/9499672618 via StreetComplete 58.2:

I can't see this telephone box in the position indicated when driving past. Further investigation required to confirm.