What is the {constituency of the Senate of Australia} for {coextensive with} of {South Australia}
South Australia is coextensive with which constituency of the Australian Senate?
 select distinct ?sbj where { ?sbj wdt:P3403 wd:Q35715 . ?sbj wdt:P31 wd:Q56648990 } 
select distinct ?subj where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> ?subj . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P3403> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q35715> . ?subj <http://www.wikidata.org/entity/P31> <http://wikidata.dbpedia.org/resource/Q56648990> } 
South Australia is a part of which part of the Australian Senate?