Question: Name a office holder whose predecessor is Edward Douglass White and has son named Charles Phelps Taft II?
SPARQL query:
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX onto: <http://dbpedia.org/ontology/>
SELECT DISTINCT ?uri WHERE {?uri onto:predecessor <http://dbpedia.org/resource/Edward_Douglass_White> . ?uri onto:child <http://dbpedia.org/resource/Charles_Phelps_Taft_II>  . ?uri rdf:type onto:OfficeHolder}