What is the {big city} for {headquarters location} of {European Union}
What is the big city for the European Union's headquarters?
 select distinct ?obj where { wd:Q458 wdt:P159 ?obj . ?obj wdt:P31 wd:Q1549591 } 
select distinct ?obj where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q458> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P159> . ?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/Q1549591> } 
What is the huge city for the European Union's headquarters?