Conversation so far:
Was John Cena a college Wrestler?
In college, he was a NCAA Division III All-American center on the college football team
What is Ohio Valley Wrestling?
Ohio Valley Wrestling (OVW) is an American independent professional wrestling promotion based in Louisville, Kentucky.
Was John Cena successful in the OVW?
During his time there, Cena held the OVW Heavyweight Championship for three months and the OVW Southern Tag Team Championship (with Rico Constantino) for two months.

Question: When did Cena Wrestle for the OVW?
Self-contained rewrite: When did John Cena wrestle for the OVW?