Question: To which company is Michael Dell a father company? 
SPARQL:
SELECT DISTINCT ?uri WHERE {?uri <http://dbpedia.org/ontology/owningCompany> <http://dbpedia.org/resource/Michael_Dell>  . ?uri <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/Company>}