Question: Is Nikolai Morozov the former coach of Stanislav Morozov?
SPARQL query: ASK WHERE { <http://dbpedia.org/resource/Stanislav_Morozov> <http://dbpedia.org/ontology/formerCoach> <http://dbpedia.org/resource/Nikolai_Morozov_(figure_skater)> }
Answer: [Yes], Nikolai Morozov is the former coach of Stanislav Morozov.