What continent of the world has Baja California peninsula and also has WEPG in one of its cities?
SELECT DISTINCT ?uri WHERE { <http://dbpedia.org/resource/Baja_California_Peninsula> <http://dbpedia.org/ontology/location> ?uri. <http://dbpedia.org/resource/WEPG> <http://dbpedia.org/property/city> ?uri . ?uri <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/Continent>}
Baja_California_Peninsula WEPG