what is the {number of matches played} for {Diego Maradona} has {member of sports team} as {A.A. Argentinos Juniors} ?
While with the A.A. Argentinos Juniors, Diego Maradona played how many games?
How many matches did Diego Maradona participate in with the A.A. Argentinos Juniors?
SELECT ?j WHERE { ?j property:number_of_matches_played/races/starts ?j . ?j property:member_of_sports_team resource:Mushuc_runa_sporting . resource:Diego_Maradona property:member_of_sports_team ?j }
select distinct ?value  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q17515> .
?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/Q220621> .
?statement <http://www.wikidata.org/entity/P1350> ?value. 
} 

SELECT ?value WHERE { wd:Q17515 p:P54 ?s . ?s ps:P54 wd:Q220621 . ?s pq:P1350 ?value}