What is <BHL Page ID> of <Zygoptera> ?
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What is Zygoptera's BHL Page ID?
SELECT DISTINCT ?z WHERE { resource:Zygoptera property:BHL_Page_ID ?z }
select distinct ?answer where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q230502> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P687> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?answer. }
select distinct ?answer where { wd:Q230502 wdt:P687 ?answer}