What is <companion of> of <Proxima Centauri> ?
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What is Proxima Centauri's companion?
SELECT DISTINCT ?n WHERE { resource:Proxima_Centauri property:companion_of ?n }
select distinct ?answer where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q14266> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P399> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?answer. }
select distinct ?answer where { wd:Q14266 wdt:P399 ?answer}
Alpha Centauri B Alpha Centauri A