What is <chairperson> of <Emil du Bois-Reymond> ?
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Who is the chairperson for Emil du Bois-Reymond
SELECT DISTINCT ?b WHERE { ?b property:chairperson resource:Emil_du_Bois-Reymond }
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/P488> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q76571>. }
select distinct ?answer where { ?answer wdt:P488 wd:Q76571}