SELECT DISTINCT ?uri WHERE { <http://dbpedia.org/resource/The_Elders_(organization)> <http://dbpedia.org/property/keyPeople> ?uri. <http://dbpedia.org/resource/United_World_Colleges> <http://dbpedia.org/ontology/president> ?uri}
Which key perosn of the Elders is also the president of united World College?
SELECT DISTINCT ?l WHERE { resource:The_Elders_(organization) property:key_people ?l . resource:United_World_Colleges property:president ?l }
Nelson Mandela
[Nelson Mandela] is a key person of The Elders and president of United World Colleges.
[Nelson Mandela] is a key figure in the Elders and President of United World.