Question: Who are the parents of  Charles Phelps Taft II and Robert A. Taft?
SPARQL:
SELECT DISTINCT ?uri WHERE { ?uri <http://dbpedia.org/ontology/child> <http://dbpedia.org/resource/Charles_Phelps_Taft_II> . ?uri <http://dbpedia.org/ontology/child> <http://dbpedia.org/resource/Robert_A._Taft> . }