Question: Among the companies who has product named Chinook who has a key person as Dennis Muilenburg ?
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 {?uri prop:keyPeople <http://dbpedia.org/resource/Dennis_Muilenburg> . ?uri prop:products <http://dbpedia.org/resource/Boeing_CH-47_Chinook>  . ?uri rdf:type onto:Company}