Question: Zou is one of the twelve departments of an African country formerly known as what?
Sentence (from "Zou Department"): Zou is subdivided into nine communes, each centered at one of the principal towns, namely, Abomey, Agbangnizoun, Bohicon, Cové, Djidja, Ouinhi, Za-Kpota, Zangnanado and Zogbodomey.
Relevant evidence: No