What is the {metropolis} for {twinned administrative body} of {Sofia}
Which is the metropolis that is twinned administrative body of Sofia?
 select distinct ?obj where { wd:Q472 wdt:P190 ?obj . ?obj wdt:P31 wd:Q200250 } 
select distinct ?obj where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q472> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P190> . ?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/Q200250> } 
Which is the city that's twinned authoritative body of Sofia?