From where did the son of Gustavo Rojas Pinilla graduate?
SELECT DISTINCT ?uri WHERE { <http://dbpedia.org/resource/Gustavo_Rojas_Pinilla> <http://dbpedia.org/ontology/child> ?x . ?x <http://dbpedia.org/property/almaMater> ?uri  . }
Gustavo_Rojas_Pinilla