Question: Lucienne "Lucy" Rokach, an English professional poker player from Stoke-on-Trent, was born in  a city whose metropolitan area is the largest in the Middle East and the Arab world, and the 15th-largest in the world, called what?
Sentence (from "Magdi Youssef"): He is widely noted in the Arab world for his analytic interventions that focus on "cultural alienation" and "unequal exchange" in the sphere of culture.
Relevant evidence: No