What is the {human} for {architect} of {Brandenburg Gate}
Which architect constructed the Brandenburg Gate?
Who was the architect of the Brandenburg Gate
SELECT DISTINCT ?u WHERE { resource:Brandenburg_Gate property:architect ?u . ?u rdf:type ontology:human }
select distinct ?obj where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q82425> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P84> . ?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/Q5> } 
 select distinct ?obj where { wd:Q82425 wdt:P84 ?obj . ?obj wdt:P31 wd:Q5 } 
Carl Gotthard Langhans