What is the {male given name} for {given name} of {King Arthur}
What was the name given to King Arthur?
What was King Arthur's given name?
SELECT DISTINCT ?x WHERE { resource:King_Arthur property:given_name ?x . ?x rdf:type ontology:male_given_name }
select distinct ?obj where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q45792> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P735> . ?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/Q12308941> } 
 select distinct ?obj where { wd:Q45792 wdt:P735 ?obj . ?obj wdt:P31 wd:Q12308941 } 
Arthur