What is <LEM ID> of <Gregorian calendar> ?
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What is the LEM ID of the Gregorian calendar?
SELECT DISTINCT ?o WHERE { resource:Gregorian_calendar property:LEM_ID ?o }
select distinct ?answer where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q12138> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P920> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?answer. }
select distinct ?answer where { wd:Q12138 wdt:P920 ?answer}