Question: Which country won the 2008 WAFU U-20 Championship at the Jay Jay Okocha Stadium?
Sentence (from "Jay-Jay Okocha"): A quick and skillful playmaker, who is widely regarded as the best Nigerian player of his generation and one of the greatest African players of all time, Okocha was known for his confidence, technique, creativity, and dribbling skills, as well as his use of feints, in particular the stepover.
Relevant evidence: No