What is <doctoral advisor> of <Fritz Haber> ?
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Who is the doctoral advisor of Fritz Haber?
SELECT DISTINCT ?s WHERE { resource:Fritz_Haber property:doctoral_advisor ?s }
select distinct ?answer where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q57075> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P184> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?answer. }
select distinct ?answer where { wd:Q57075 wdt:P184 ?answer}
Robert Bunsen