Question: Name the person whose child is Irne Joliot-Curie?
SPARQL:
SELECT DISTINCT ?uri WHERE {?uri <http://dbpedia.org/property/children> <http://dbpedia.org/resource/Irène_Joliot-Curie>  . ?uri <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/Person>}