What is the {human} for {doctoral student} of {Galileo Galilei}
Which was the individual as doctoral understudy of Galileo Galilei?
Which was the person as doctoral student of Galileo Galilei?
SELECT DISTINCT ?f WHERE { resource:Galileo_Galilei property:doctoral_student ?f . ?f rdf:type ontology:human }
select distinct ?obj where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q307> . ?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:Q307 wdt:P185 ?obj . ?obj wdt:P31 wd:Q5 } 
Vincenzo Viviani Giuseppe Biancani Benedetto Castelli Mario Guiducci