SELECT DISTINCT ?uri WHERE {?uri <http://dbpedia.org/ontology/locationCity> <http://dbpedia.org/resource/Harris_County,_Texas> . ?uri <http://dbpedia.org/ontology/subsidiary> <http://dbpedia.org/resource/Tandem_Computers> . ?uri <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/Company>}
Which Harris County based company is a subsidiary of Tandem Computers?
SELECT DISTINCT ?c WHERE { ?c property:subsidiary resource:Tandem_Computers . ?c property:location_city resource:Harris_County,_Texas . ?c rdf:type ontology:Company }
Compaq
The company located in Harris County, Texas and with Tandem Computers as subsidiary is [Compaq].
Tandem Computers is headquartered in Harris County, Texas  and with Tandem Computers as subsidiary is [Compaq].