What is <BiblioNet author ID> of <Marc Chagall> ?
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Which is the BiblioNet author ID for March Chagall?
SELECT DISTINCT ?f WHERE { resource:Marc_Chagall property:BiblioNet_author_ID ?f }
select distinct ?answer where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q93284> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P2188> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?answer. }
select distinct ?answer where { wd:Q93284 wdt:P2188 ?answer}