Question: Who is the builder of Estadio Nacional de Costa Rica and also location of Xianren Cave ?
SPARQL query:
PREFIX onto: <http://dbpedia.org/ontology/>
 SELECT DISTINCT ?uri WHERE { <http://dbpedia.org/resource/Estadio_Nacional_de_Costa_Rica_(2011)> onto:builder ?uri. <http://dbpedia.org/resource/Xianren_Cave> onto:country ?uri}