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