Question: Which country are the players of the Atletico Petroleos de Luanda from?
SPARQL query:
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX onto: <http://dbpedia.org/ontology/>
SELECT DISTINCT ?uri WHERE { ?x onto:club <http://dbpedia.org/resource/Atlético_Petróleos_de_Luanda_(handball)> . ?x onto:nationality ?uri  . ?x rdf:type onto:Athlete}