Question: Which country won the 2008 WAFU U-20 Championship at the Jay Jay Okocha Stadium?
Sentence (from "Jay Jay Okocha Stadium"): It is currently used mostly for football matches and is the home stadium of Delta Force F.C. Renamed after Okocha in June 2008, the stadium has a capacity of 8,000 people and hosted matches for the 2008 WAFU U-20 Championship won by Ghana.
Relevant evidence: Yes