Question: In which areas did the pupils of Sylvain Levi work?
SPARQL query:
PREFIX res: <http://dbpedia.org/resource/>
PREFIX prop: <http://dbpedia.org/property/>
PREFIX onto: <http://dbpedia.org/ontology/>
SELECT DISTINCT ?uri WHERE { ?x onto:academicAdvisor res:Sylvain_Lévi . ?x prop:fields ?uri  . }