What is <UN number> of <dimethyl ether> ?
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What is dimethyl ether's UN number?
SELECT DISTINCT ?i WHERE { resource:dimethyl_ether property:UN_number ?i }
select distinct ?answer where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q408050> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P695> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?answer. }
select distinct ?answer where { wd:Q408050 wdt:P695 ?answer}
1033