Question: What is the state of the senator whose successor is Nathaniel P. Hill ?
SPARQL:
SELECT DISTINCT ?uri WHERE { ?x <http://dbpedia.org/ontology/successor> <http://dbpedia.org/resource/Nathaniel_P._Hill> . ?x <http://dbpedia.org/property/state> ?uri . ?x <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/Senator>}