Question: Who is the President of the United World College of Costa Rica and United World Colleges?
SPARQL query: SELECT DISTINCT ?uri WHERE { <http://dbpedia.org/resource/United_World_College_of_Costa_Rica> <http://dbpedia.org/property/president> ?uri. <http://dbpedia.org/resource/United_World_Colleges> <http://dbpedia.org/property/president> ?uri . }
Answer: [Nelson Mandela] is the president of both United World College of Costa Rica and United World Colleges.