What is the {statute} for {foundational text} of {Soviet Union}
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Which is the statue for the foundational text of Soviet Union?
SELECT DISTINCT ?v WHERE { resource:Soviet_Union property:foundational_text ?v . ?v rdf:type ontology:legislative_act }
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/P457> . ?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/Q820655> } 
 select distinct ?obj where { wd:Q15180 wdt:P457 ?obj . ?obj wdt:P31 wd:Q820655 } 
Treaty on the Creation of the Union of Soviet Socialist Republics