What is the {human who may be fictional} for {developer} of {Bitcoin}
Who was the developer (fictional or not) who created bitcoin?
 select distinct ?obj where { wd:Q131723 wdt:P178 ?obj . ?obj wdt:P31 wd:Q21070568 } 
select distinct ?obj where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q131723> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P178> . ?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/Q21070568> } 
Who was the designer (anecdotal or not) who made bitcoin?