Question: Which queen of a civilization of ancient Northeastern Africa, concentrated along the lower reaches of the Nile River had the title "the one united with the beauty of the white crown"?
Sentence (from "Si River"): At Sikou (泗口) (also known as Qingkou (清口), present day Huai'an City, Jiangsu), the Si River discharged into the Huai River.
Relevant evidence: No