What is the {human} for {head coach} of {Rafael Nadal}
Who is Rafael Nadal's coach ?
Who is Rafael Nadal's coach ?
SELECT DISTINCT ?t WHERE { resource:Rafael_Nadal property:head_coach ?t . ?t rdf:type ontology:human }
select distinct ?obj where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q10132> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P286> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?obj . ?obj <http://www.wikidata.org/entity/P31> <http://wikidata.dbpedia.org/resource/Q5> } 
 select distinct ?obj where { wd:Q10132 wdt:P286 ?obj . ?obj wdt:P31 wd:Q5 } 
Carlos Moyá Francisco Roig Toni Nadal