What is {subject has role} of {Mario} that is {of} is {Super Mario} ?
Who was the character in Super Mario that was not Mario?
Which character from Mario wasn´t in Super Mario?
SELECT ?j WHERE { ?t property:subject_has_role ?j . ?t property:of resource:Super_Mario . resource:Mario property:subject_has_role ?t }
select distinct ?obj  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q12379> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P2868> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?obj .
?statement <http://www.wikidata.org/entity/P642> <http://wikidata.dbpedia.org/resource/Q4802838>
} 

SELECT ?obj WHERE { wd:Q12379 p:P2868 ?s . ?s ps:P2868 ?obj . ?s pq:P642 wd:Q4802838 }