what is the {killed by} for {Malcolm X} has {manner of death} as {assassination} ?
Who assassinated Malcolm X?
Who is killed by Malcolm X  as assassination?
SELECT ?j WHERE { ?k property:manner_of_death resource:assassination . resource:Malcolm_X property:manner_of_death ?k . ?k property:killed_by ?j }
select distinct ?value  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q43303> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P1196> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q3882219> .
?statement <http://www.wikidata.org/entity/P157> ?value. 
} 

SELECT ?value WHERE { wd:Q43303 p:P1196 ?s . ?s ps:P1196 wd:Q3882219 . ?s pq:P157 ?value}