Question: How many other home stadium are there of the soccer club whose home stadium is Luzhniki Stadium?
SPARQL query:
PREFIX res: <http://dbpedia.org/resource/>
PREFIX onto: <http://dbpedia.org/ontology/>
SELECT DISTINCT COUNT(?uri) WHERE { ?x onto:homeStadium <http://dbpedia.org/resource/Luzhniki_Stadium> . ?x onto:homeStadium ?uri }