What is <date of first performance> of <Tannhäuser> ?
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Which is the date of first performance for Tannhäuser?
SELECT DISTINCT ?c WHERE { resource:Tannhäuser property:date_of_first_performance ?c }
select distinct ?answer where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q560619> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P1191> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?answer. }
select distinct ?answer where { wd:Q560619 wdt:P1191 ?answer}
1845-10-19T00:00:00Z