The author Jens Mache is associated with which Wikidata identifier?
What is the Wikidata ID of Jens Mache?
SELECT DISTINCT ?answer WHERE { <https://dblp.org/pid/m/JensMache> <https://dblp.org/rdf/schema#wikidata> ?answer }
<https://dblp.org/pid/m/JensMache>