SELECT DISTINCT ?uri WHERE {?uri <http://dbpedia.org/property/doctoralAdvisor> <http://dbpedia.org/resource/Georg_Meissner> . ?uri <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/Scientist>}
Georg Meissner was doctoral supervisor of which scientist ?
SELECT DISTINCT ?s WHERE { ?s rdf:type ontology:Scientist . ?s property:doctoral_advisor resource:Georg_Meissner }
Robert Koch
[Robert Koch] is the scientist whose doctoral advisor was Georg Meissner.
[Robert Koch] is the scientist whose father was Hessner.
[Robert Koch] is the scientist whose doctoral supervisor is him.
[Robert Koch] is the scientist whose scientific supervisor he is.
[Robert Koch] is the scientist whose doctoral supervisor is the person.
[Robert Koch] is a scientist with the person as doctoral supervisor.