What is <cause of death> of <casualty> ?
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what is casualty of  cause of death
SELECT DISTINCT ?k WHERE { ?k property:cause_of_death resource:casualty }
select distinct ?answer where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject>  ?answer. ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P509> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q1056901>. }
select distinct ?answer where { ?answer wdt:P509 wd:Q1056901}
Poppo I von Henneberg