What is the {position} for {officeholder} of {Mauricio Macri}
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When did position for officeholder of Mauricio Macri?
SELECT DISTINCT ?q WHERE { ?q property:officeholder resource:Mauricio_Macri . ?q rdf:type ontology:position }
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/P1308> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q561837> . ?subj <http://www.wikidata.org/entity/P31> <http://wikidata.dbpedia.org/resource/Q4164871> } 
 select distinct ?sbj where { ?sbj wdt:P1308 wd:Q561837 . ?sbj wdt:P31 wd:Q4164871 } 
Head of Government of the Autonomous City of Buenos Aires