SELECT DISTINCT ?uri WHERE { ?x <http://dbpedia.org/ontology/regionServed> <http://dbpedia.org/resource/Mid_Wales> . ?x <http://dbpedia.org/ontology/foundedBy> ?uri . }
Who founded a company which served Mid Wales ?
SELECT DISTINCT ?b WHERE { ?q property:region_served resource:Mid_Wales . ?q property:founded_by ?b . }
Samuel Arthur Brain, Andrew Carnegie
[Samuel Arthur Brain, Andrew Carnegie] founded a company which served Mid Wales.
A company that served Meade Wales was founded by [Samuel Arthur Brain, Andrew Carnegie].