Unable to answer "What’s the house number of this building?" – Detached House – way/156941542 via StreetComplete 61.2:

Part of Ferienhof Kroger.
So I would say same number

Unable to answer "Is Place de l'Amiral Courbet lit here?" for way/287659799 via StreetComplete 38.2:

Pas de lampadaire à proprement parler sur ce morceau de rue. Mais c'est éclairé par d'autres lampadaires plus loin

Unable to answer "Does this crossing have an island?" – Marked Crossing – node/6075829097 via StreetComplete 57.4:

Pas de passage piéton ici

Unable to answer "Are the pickup times of this collection box still correct?" – La Poste [A2B6G9] – node/517327926 via StreetComplete 57.4:

Les horaires sont bons mais pas la position
La boite est entre les numéros 16 et 18 de la rue Jacques Henri Lartigue sur le trottoir
48.82391° N, 2.26030° E

Unable to answer "Do the trees here have needles or leaves?" – Tree Row – way/395249680 via StreetComplete 57.4:

Feuillus
Ce sont des platanes

Cette section n'est pas praticable par les automobiles
Sur une cinquantaine de mètres. Depuis la D24, jusqu'à la petite intersection suivante

via StreetComplete 58.2

The road is passing under the building here

There are stairs here to go up to the Duomo

Unable to answer "What are the opening hours of Adelaïde (Cafe)?" for node/3281892465 via StreetComplete 32.1:

s'appelle maintenant "Chicken Street" "Naan & fried chicken" qui est un fast food

Attached photo(s):
https://westnordost.de/p/44364.jpg

"Magasin définitivement fermé. Lieu vacant actuellement"
The place has gone or never existed. A user of Organic Maps application has reported that the POI was visible on the map (see snapshot date below), but was not found on the ground.
OSM snapshot date: 2023-06-02T17:16:21Z
POI name: André
POI types: wheelchair-yes shop-shoes
#organicmaps