Question: Juan Álvarez plays as a defender for a Mexican football club that was founded in what year?
Related documents: [0]  [DOC] Club de Fútbol Monterrey is a Mexican football club from Monterrey, Nuevo León. Founded on 28 June 1945, it is the oldest active team in the professional division from the northern part of Mexico, and currently play in the Liga MX. The club is owned by FEMSA, Latin America's largest bottling company. Its home games have been played in the Estadio BBVA Bancomer since 2015. [END] 
[1]  [DOC] Juan Manuel Álvarez Hernández (born 1 July 1996) is a Mexican footballer who plays as a Defender for C.F. Monterrey. [END] 
Answer: 
1945
1945