What is <BnF ID> of <planetary nebula> ?
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Which is the BnF ID for planetary nebula?
SELECT DISTINCT ?j WHERE { resource:planetary_nebula property:Bibliothèque_nationale_de_France_ID ?j }
select distinct ?answer where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q13632> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P268> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?answer. }
select distinct ?answer where { wd:Q13632 wdt:P268 ?answer}