Question: The concert venue The Masquerade is located in the lowest level of a shopping and entertainment district first opened in what year?
Related documents: [0]  [DOC] The Masquerade is a mid-sized concert venue located in Atlanta, Georgia, United States. It is located in Kenny's Alley, the lowest level of Underground Atlanta. The address for the parking deck and entrance is 75 Martin Luther King Jr DR SW. [END] 
[1]  [DOC] Underground Atlanta was a shopping and entertainment district in the Five Points neighborhood of downtown Atlanta, Georgia, United States, near the Five Points MARTA station. First opened in 1969, it takes advantage of the viaducts built over the city's many railroad tracks to accommodate later automobile traffic. Each level has two main halls, still called Upper and Lower Alabama and Pryor Streets. [END] 
Answer: 
1969
1969