Question: Among the scientist known for Manhattan Project who had a doctoral student named Charles Ellis ?
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 {?uri prop:doctoralStudents <http://dbpedia.org/resource/Charles_Drummond_Ellis> . ?uri prop:knownFor <http://dbpedia.org/resource/Manhattan_Project>  . ?uri rdf:type onto:Scientist}