Unable to answer "How many steps are here?" – General Mansbachs trapp (Steps) – https://osm.org/way/488104950 via StreetComplete 57.4:

This is actually one stairway leading up, there is an additional step at the bottom which doesn't belong to the stairs and a break at the top corner before the stairs continue

Attached photo(s):
https://westnordost.de/p/216825.jpg
https://westnordost.de/p/216826.jpg