Question: Name the person whose child is Irne Joliot-Curie?
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:children <http://dbpedia.org/resource/Irène_Joliot-Curie>  . ?uri rdf:type onto:Person}