Question: What are the home stadiums of the things Leonid Fedun has been the chairman of?
SPARQL query: SELECT DISTINCT ?uri WHERE { ?x <http://dbpedia.org/ontology/chairman> <http://dbpedia.org/resource/Leonid_Fedun> . ?x <http://dbpedia.org/ontology/homeStadium> ?uri  . }
Answer: The home stadiums of the things whose chairman is Leonid Fedun are [Otkrytiye Arena, Moscow, Luzhniki Stadium].