Question: Who allied with the Pecheneg prince who appears as a villain in a 2006 Russian traditionally-animated feature film loosely based on the story of prince Vladimir the Fair Sun?
Sentence (from "Russian submarine Knyaz Vladimir"): Knyaz Vladimir (Russian: АПЛ "Knyaz Vladimir" - Prince Vladimir, previously expected - "Svyatitel Nikolai" - Saint Nicholas) is a Russian ballistic missile submarine and lead ship of the fifth generation Project 955A Borei II-class (sometimes marked as Project 955U) based on fourth generation Project 955 Borei-class submarines.
Relevant evidence: No