Who have been the manager of national team of Spain?
SELECT DISTINCT ?uri WHERE {?uri <http://dbpedia.org/property/nationalteam> <http://dbpedia.org/resource/Spain_national_football_team>  . ?uri <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/SoccerManager>}
Spain_national_football_team