Question: What is the craft of the Ralph Flanders which is also the profession of  Claiborne Pell ?
SPARQL:
SELECT DISTINCT ?uri WHERE { <http://dbpedia.org/resource/Ralph_Flanders> <http://dbpedia.org/property/occupation> ?uri. <http://dbpedia.org/resource/Claiborne_Pell> <http://dbpedia.org/ontology/profession> ?uri}