Question: What is the scientist whose doctoral students are Erich Bagge and erban ieica?
SPARQL query:
PREFIX res: <http://dbpedia.org/resource/>
PREFIX onto: <http://dbpedia.org/ontology/>
SELECT DISTINCT ?uri WHERE { ?uri onto:doctoralStudent res:Erich_Bagge . ?uri onto:doctoralStudent res:Șerban_Țițeica . }