Question: Where are the shrines of the saints who were beatified by Pope Pius XI?
SPARQL:
SELECT DISTINCT ?uri WHERE { ?x <http://dbpedia.org/property/beatifiedBy> <http://dbpedia.org/resource/Pope_Pius_XI> . ?x <http://dbpedia.org/ontology/majorShrine> ?uri  . ?x <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/Saint>}