What is the {human} for {country of citizenship} of {Inca Empire}
What is the country of citizenship for the people of the Incan Empire?
 select distinct ?sbj where { ?sbj wdt:P27 wd:Q28573 . ?sbj wdt:P31 wd:Q5 } 
select distinct ?subj where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> ?subj . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P27> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q28573> . ?subj <http://www.wikidata.org/entity/P31> <http://wikidata.dbpedia.org/resource/Q5> } 
Where do people born in the Incan Empire hold citizenship?