Question: List all the doctoral student of the scientist who has advised john Bowlby ?
SPARQL query:
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX prop: <http://dbpedia.org/property/>
PREFIX onto: <http://dbpedia.org/ontology/>
SELECT DISTINCT ?uri WHERE { ?x prop:doctoralStudents <http://dbpedia.org/resource/John_Bowlby> . ?x prop:doctoralStudents ?uri  . ?x rdf:type onto:Scientist}