What is the {symphony} for {composer} of {Pyotr Ilyich Tchaikovsky}
Name a symphony composed by Pyotr Ilyich Tchaikovsky ?
 select distinct ?sbj where { ?sbj wdt:P86 wd:Q7315 . ?sbj wdt:P31 wd:Q9734 } 
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/Q7315> . ?subj <http://www.wikidata.org/entity/P31> <http://wikidata.dbpedia.org/resource/Q9734> } 
What was one of the symphonies written by Pyotr Ilyich Tchaikovsky?