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 "Howard Lederer"): Lederer has also contributed to several books on poker strategy and has provided commentary for poker programming.
Relevant evidence: No