Question: What is the almamater of the president whose vice president was Enrique Jos Varona?
SPARQL query:
PREFIX res: <http://dbpedia.org/resource/>
PREFIX onto: <http://dbpedia.org/ontology/>
SELECT DISTINCT ?uri WHERE { ?x onto:vicePresident res:Enrique_José_Varona . ?x onto:almaMater ?uri  . }