Question: Which employer of Michael M. Sears is also the producer of Delta III ?
SPARQL:
 SELECT DISTINCT ?uri WHERE { <http://dbpedia.org/resource/Michael_M._Sears> <http://dbpedia.org/ontology/employer> ?uri. <http://dbpedia.org/resource/Delta_III> <http://dbpedia.org/ontology/manufacturer> ?uri}