Question: Olga Pershankova competed with an ice dancer who was a five time what?
Sentence (from "Peter Tchernyshev"): With skating partner Naomi Lang, he is a two-time (2000 and 2002) Four Continents champion, a five-time (1999–2003) U.S. national champion, and competed at the Winter Olympics in 2002.
Relevant evidence: Yes