Question: When did the Hermann von Werberg stop being the manager/director of Order of Saint John (Bailiwick of Brandenburg)?
Paraphrase: Hermann von Werberg was the  manager/director of Order of Saint John (Bailiwick of Brandenburg) until what year?
SPARQL (Wikidata): SELECT ?value WHERE { wd:Q4498889 p:P1037 ?s . ?s ps:P1037 wd:Q15815394 . ?s pq:P582 ?value}