What is the {human} for {ethnic group} of {Hittites}
?
?
SELECT DISTINCT ?b WHERE { ?b property:ethnic_group resource:Hittites . ?b rdf:type ontology:human }
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/P172> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q5406> . ?subj <http://www.wikidata.org/entity/P31> <http://wikidata.dbpedia.org/resource/Q5> } 
 select distinct ?sbj where { ?sbj wdt:P172 wd:Q5406 . ?sbj wdt:P31 wd:Q5 } 
Tudhaliya III Muwatti Kantutsili