What is <Opera Vivra singer ID> of <Marian Anderson> ?
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What is Opera Vivra singer ID for Marian Anderson ?
SELECT DISTINCT ?g WHERE { resource:Marian_Anderson property:Opera_Vivra_singer_ID ?g }
select distinct ?answer where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q231923> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P4407> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?answer. }
select distinct ?answer where { wd:Q231923 wdt:P4407 ?answer}