what is the {number of matches played} for {Cafu} has {member of sports team} as {Real Zaragoza} ?
How many matches did Cafu play for Real Zaragoza?
SELECT ?n WHERE { ?v property:member_of_sports_team resource:Real_Zaragoza . ?v property:number_of_matches_played/races/starts ?n . resource:Cafu property:member_of_sports_team ?v }
select distinct ?value  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q178683> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P54> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q10308> .
?statement <http://www.wikidata.org/entity/P1350> ?value. 
} 

SELECT ?value WHERE { wd:Q178683 p:P54 ?s . ?s ps:P54 wd:Q10308 . ?s pq:P1350 ?value}