What is <has boundary> of <asteroid belt> ?
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Which is the boundary of the asteroid belt?
SELECT DISTINCT ?k WHERE { ?k property:has_boundary resource:asteroid_belt }
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/P4777> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q2179>. }
select distinct ?answer where { ?answer wdt:P4777 wd:Q2179}
outer Solar System inner Solar System