Question: In which city is this American banker, businessman, investor, poker player, and amateur mathematician who founded the launch vehicle development company Beal Aerospace currently based?

Related documents: [0]  [DOC] Daniel Andrew "Andy" Beal (born November 29, 1952) is an American banker, businessman, investor, poker player, and amateur mathematician. He is a Dallas-based businessman who accumulated wealth in real estate and banking. Born and reared in Lansing, Michigan, Beal is founder and chairman of Beal Bank and Beal Bank USA, as well as other affiliated companies. Beal has an estimated worth of US$10.1 billion as of April 2017. [END] 
[1]  [DOC] Beal Aerospace was a launch vehicle development company, founded in February 1997 by Andrew Beal, president of Beal Bank in Dallas, Texas. The goal of the company was to build and operate a privately developed heavy lift orbital launch vehicle. It ceased operations on October 23, 2000. [END]  
Answer: Dallas
Dallas