What is the {human} for {student of} of {Ivan Pavlov}
Who is the person Ivan Pavlov's student?
Who is the person that was a student of Ivan Pavlov?
SELECT DISTINCT ?f WHERE { ?f rdf:type ontology:human . resource:Ivan_Pavlov property:student_of ?f }
select distinct ?obj where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q42985> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P1066> . ?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:Q42985 wdt:P1066 ?obj . ?obj wdt:P31 wd:Q5 } 
Elias von Cyon