What is {cast member} of {Roots} that is {character role} is {Kunta Kinte} ?
What Actor/Actress played Kunta Kinte in the show Roots?
Who played Kunta Kinte in Roots?
SELECT ?r WHERE { resource:Roots property:cast_member ?v . ?v property:character_role resource:Kunta_Kinte . ?v property:cast_member ?r }
select distinct ?obj  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q1247168> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P161> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?obj .
?statement <http://www.wikidata.org/entity/P453> <http://wikidata.dbpedia.org/resource/Q636142>
} 

SELECT ?obj WHERE { wd:Q1247168 p:P161 ?s . ?s ps:P161 ?obj . ?s pq:P453 wd:Q636142 }