What is the {opera} for {librettist} of {Pyotr Ilyich Tchaikovsky}
What Musical drama did Pyotr Ilyish Tchaikovsky compose for
What Opera did Pyotr Ilyish Tchaikovsky compose for
SELECT DISTINCT ?j WHERE { ?j property:librettist resource:Pyotr_Ilyich_Tchaikovsky . ?j 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/P87> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q7315> . ?subj <http://www.wikidata.org/entity/P31> <http://wikidata.dbpedia.org/resource/Q1344> } 
 select distinct ?sbj where { ?sbj wdt:P87 wd:Q7315 . ?sbj wdt:P31 wd:Q1344 } 
The Maid of Orleans The Oprichnik The Voyevoda Eugene Onegin