Context : Guillermo Ortiz Martínez (born July 21, 1948 in Mexico City) is the son of Gen. Leopoldo Ortiz Sevilla and Graciela Martínez Ostos and received a B.A. in Economics from the National Autonomous University of Mexico and both a M.Sc. 
Question : The college Guillermo Ortiz Martínez attended was what?
National Autonomous University of Mexico