Question: Name the company whose products's predecessor is Boeing Vertol CH-46 Sea Knight?
SPARQL:
SELECT DISTINCT ?uri WHERE { ?x <http://dbpedia.org/ontology/predecessor> <http://dbpedia.org/resource/Boeing_Vertol_CH-46_Sea_Knight> . ?uri <http://dbpedia.org/property/products> ?x  . ?uri <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/Company>}