Question: Who were in the youth clubs that were in season of 2015 Argentine Primera Division?
SPARQL query: SELECT DISTINCT ?uri WHERE { ?x <http://dbpedia.org/ontology/season> <http://dbpedia.org/resource/2015_Argentine_Primera_División> . ?uri <http://dbpedia.org/property/youthclubs> ?x  . }
Answer: The members of the season 2015 Argentine Primera Division that were also in the youth clubs are [answer].