What is the {revolution} for {conflict} of {Leon Trotsky}
In which revolution was involved Leon Trotsky?
SELECT DISTINCT ?l WHERE { resource:Leon_Trotsky property:conflict ?l . ?l rdf:type ontology:revolution }
select distinct ?obj where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q33391> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P607> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?obj . ?obj <http://www.wikidata.org/entity/P31> <http://wikidata.dbpedia.org/resource/Q10931> } 
 select distinct ?obj where { wd:Q33391 wdt:P607 ?obj . ?obj wdt:P31 wd:Q10931 } 
Russian Revolution October Revolution