Question: Who has built the stadiums which were rented by the Central american games of 2013?
SPARQL query:
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX onto: <http://dbpedia.org/ontology/>
SELECT DISTINCT ?uri WHERE { ?x onto:tenant <http://dbpedia.org/resource/2013_Central_American_Games> . ?x onto:builder ?uri  . ?x rdf:type onto:Stadium}