what is the {country} for {Olga Korbut} has {place of birth} as {Grodno} ?
Olga Korbut was born in Grodno, which is located in what country?
SELECT ?value WHERE { wd:Q221575 p:P19 ?s . ?s ps:P19 wd:Q181376 . ?s pq:P17 ?value}
select distinct ?value  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q221575> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P19> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q181376> .
?statement <http://www.wikidata.org/entity/P17> ?value. 
} 

Grodno, where Olga Korbut was born, is in which country?