What is the {human} for {doctoral student} of {Max Planck}
Who is a student of Max Planck?
Name a student of Max Planck
SELECT DISTINCT ?o WHERE { ?o rdf:type ontology:human . resource:Max_Planck property:doctoral_student ?o }
select distinct ?obj where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q9021> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P185> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?obj . ?obj <http://www.wikidata.org/entity/P31> <http://wikidata.dbpedia.org/resource/Q5> } 
 select distinct ?obj where { wd:Q9021 wdt:P185 ?obj . ?obj wdt:P31 wd:Q5 } 
Walter Gordon Walther Bothe Erich Kretschmann Richard Becker Erich Schumann Hilde Heinicke Heinrich Karstens Karl Körner Isidor Israel Malkin Wilhelm Wenzel Max von Laue Gustav Ludwig Hertz Moritz Schlick Walter H. Schottky Walther Meissner Max Abraham