What is the {fictional human} for {killed by} of {Luke Skywalker}
What character was killed by Luke Skywalker?
Mention the fictional human character murdered by Luke Skywalker
SELECT DISTINCT ?v WHERE { resource:Luke_Skywalker property:killed_by ?v . ?v rdf:type ontology:fictional_human }
select distinct ?obj where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q51746> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P157> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?obj . ?obj <http://www.wikidata.org/entity/P31> <http://wikidata.dbpedia.org/resource/Q15632617> } 
 select distinct ?obj where { wd:Q51746 wdt:P157 ?obj . ?obj wdt:P31 wd:Q15632617 } 