What is {relative} of {Joseph Stalin} that is {type of kinship} is {half brother} ?
Give the name of Joseph Stalin's half brother.
Who is the half brother of Joseph Stalin?
SELECT ?g WHERE { resource:Joseph_Stalin property:relative ?e . ?e property:relative ?g . ?e property:kinship_to_subject resource:half-brother }
select distinct ?obj  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q855> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P1038> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?obj .
?statement <http://www.wikidata.org/entity/P1039> <http://wikidata.dbpedia.org/resource/Q15312935>
} 

SELECT ?obj WHERE { wd:Q855 p:P1038 ?s . ?s ps:P1038 ?obj . ?s pq:P1039 wd:Q15312935 }