What is <NIOSH Pocket Guide ID> of <cobalt> ?
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What's the NIOSH Pocket Guide ID number of cobalt?
SELECT DISTINCT ?h WHERE { resource:cobalt property:NIOSH_Pocket_Guide_ID ?h }
select distinct ?answer where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q740> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P1931> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?answer. }
select distinct ?answer where { wd:Q740 wdt:P1931 ?answer}