In context of overlay "Buildings" – house number 22: Building – way/190373216 via StreetComplete 60.3:

Should be 22

In context of overlay "Buildings" – Detached House – way/1057498238 via StreetComplete 60.3:

This buildings address is 54

In context of overlay "Buildings" – house number 47: Building – way/161751068 via StreetComplete 60.3:

Two separate buildings now

2 row houses here, e of them 51

via StreetComplete 60.3

In context of overlay "Buildings" – house number 51: Detached House – way/161751074 via StreetComplete 60.3:

Two row houses: 51 and 49

In context of overlay "Buildings" – house number 44: Building – way/161751071 via StreetComplete 60.3:

44

In context of overlay "Buildings" – house number 57: Detached House – way/161618943 via StreetComplete 60.3:

Should be 59

Unable to answer "What’s the topic of this information board?" – Information Board – node/12383703366 via StreetComplete 60.1:

Information board is a biography / profile of Aunt Dr Lila Watson. Title is "Lila Watson Place".

Attached photo(s):
https://streetcomplete.app/p/258274.jpg

Unable to answer "What are the opening hours here?" – Student Affairs - Staff Offices (Educational Institution) – node/9291619459 via StreetComplete 60.1:

Not supposed to have opening hours, it's just offices