Question: what is the character role for seventeen moments of spring has cast member as nikolay prokopovich?
Paraphrase: What character does nikolay prokopovich play in seventeen moments of spring?
SPARQL (Wikidata): SELECT ?value WHERE { wd:Q472018 p:P161 ?s . ?s ps:P161 wd:Q4380349 . ?s pq:P453 ?value}