What is <legislative body> of <United States Congress> ?
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What is  in the legislative body of United States Congress ?
SELECT DISTINCT ?z WHERE { ?z property:legislative_body resource:United_States_Congress }
select distinct ?answer where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject>  ?answer. ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P194> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q11268>. }
select distinct ?answer where { ?answer wdt:P194 wd:Q11268}
United States of America