Question: List sports managers who managed Middlesbrough F.C. and England national under-21 football team?
SPARQL query:
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX prop: <http://dbpedia.org/property/>
PREFIX onto: <http://dbpedia.org/ontology/>
SELECT DISTINCT ?uri WHERE {?uri onto:managerClub <http://dbpedia.org/resource/Middlesbrough_F.C.> . ?uri prop:managerclubs <http://dbpedia.org/resource/England_national_under-21_football_team>  . ?uri rdf:type onto:SportsManager}