What is the {central bank} for {central bank/issuer} of {Russian ruble}
What is the central bank issuing the ruble from Russia?
What is the central bank that issues the Russian ruble?
SELECT DISTINCT ?t WHERE { ?t rdf:type ontology:central_bank . resource:Russian_ruble property:central_bank/issuer ?t }
select distinct ?obj where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q41044> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P562> . ?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/Q66344> } 
 select distinct ?obj where { wd:Q41044 wdt:P562 ?obj . ?obj wdt:P31 wd:Q66344 } 
Central Bank of Russia