What is <head of government> of <Otto von Bismarck> ?
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Who is the head of government for Otto von Bismarck?
SELECT DISTINCT ?u WHERE { ?u property:head_of_government resource:Otto_von_Bismarck }
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/P6> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q8442>. }
select distinct ?answer where { ?answer wdt:P6 wd:Q8442}
North German Confederation Cabinet Bismarck