Question: Name the members of youth clubs which have Camp Nou as their homeground.
SPARQL query: SELECT DISTINCT ?uri WHERE { ?x <http://dbpedia.org/property/ground> <http://dbpedia.org/resource/Camp_Nou> . ?uri <http://dbpedia.org/property/youthclubs> ?x  . }
Answer: The members whose youth clubs ground is Camp Nou are [answer].