What is the {opera} for {composer} of {Claude Debussy}
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What operas has Claude Debussy composed?
SELECT DISTINCT ?x WHERE { ?x property:composer resource:Claude_Debussy . ?x rdf:type ontology:opera }
select distinct ?subj where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> ?subj . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P86> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q4700> . ?subj <http://www.wikidata.org/entity/P31> <http://wikidata.dbpedia.org/resource/Q1344> } 
 select distinct ?sbj where { ?sbj wdt:P86 wd:Q4700 . ?sbj wdt:P31 wd:Q1344 } 
La chute de la maison Usher Le diable dans le beffroi Rodrigue et Chimène