What is <base> of <regular icosahedron> ?
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regular icosahedron is base ?
SELECT DISTINCT ?h WHERE { resource:regular_icosahedron property:base ?h }
select distinct ?answer where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q18015071> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P3263> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?answer. }
select distinct ?answer where { wd:Q18015071 wdt:P3263 ?answer}
regular pentagon