Question: Which Harris County based company is a subsidiary of Tandem Computers?
SPARQL query:
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX onto: <http://dbpedia.org/ontology/>
SELECT DISTINCT ?uri WHERE {?uri onto:locationCity <http://dbpedia.org/resource/Harris_County,_Texas> . ?uri onto:subsidiary <http://dbpedia.org/resource/Tandem_Computers>  . ?uri rdf:type onto:Company}