What is the {human} for {position held} of {United Nations Secretary-General}
Who is the {human} for {position held} of {Joined together Countries Secretary-General}
Who is the {human} for {position held} of {United Nations Secretary-General}
SELECT DISTINCT ?m WHERE { ?m rdf:type ontology:human . ?m property:position_held resource:Secretary-General_of_the_United_Nations }
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/P39> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q81066> . ?subj <http://www.wikidata.org/entity/P31> <http://wikidata.dbpedia.org/resource/Q5> } 
 select distinct ?sbj where { ?sbj wdt:P39 wd:Q81066 . ?sbj wdt:P31 wd:Q5 } 
António Guterres Kofi Annan Ban Ki-moon Javier Pérez de Cuéllar Boutros Boutros-Ghali Kurt Waldheim Dag Hammarskjöld U Thant Trygve Lie Gladwyn Jebb