What is <RKDlibrary ID> of <Henry Peach Robinson> ?
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What is the RKDlibrary ID for Henry Peach Robinson?
SELECT DISTINCT ?x WHERE { resource:Henry_Peach_Robinson property:RKDlibrary_ID ?x }
select distinct ?answer where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q574144> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P4989> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?answer. }
select distinct ?answer where { wd:Q574144 wdt:P4989 ?answer}