What is the {treaty} for {main regulatory text} of {Soviet Union}
What is the Soviet Union's main regulatory treaty?
WHat treaty serves as the main regulatory text in Soviet Union
SELECT DISTINCT ?f WHERE { resource:Soviet_Union property:main_regulatory_text ?f . ?f rdf:type ontology:treaty }
select distinct ?obj where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q15180> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P92> . ?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/Q131569> } 
 select distinct ?obj where { wd:Q15180 wdt:P92 ?obj . ?obj wdt:P31 wd:Q131569 } 