Question: Whihc place of birth of the Union State is also the largest city of Union Staete ?
SPARQL:
 SELECT DISTINCT ?uri WHERE { <http://dbpedia.org/resource/Union_State> <http://dbpedia.org/property/largestCity> ?uri. <http://dbpedia.org/resource/Nina_Vislova> <http://dbpedia.org/property/placeOfBirth> ?uri}