Question: What is the common profession of William Luther Hill and Claiborne Pell?
SPARQL:
SELECT DISTINCT ?uri WHERE { <http://dbpedia.org/resource/William_Luther_Hill> <http://dbpedia.org/ontology/profession> ?uri. <http://dbpedia.org/resource/Claiborne_Pell> <http://dbpedia.org/ontology/profession> ?uri . }