Question: The concert venue The Masquerade is located in the lowest level of a shopping and entertainment district first opened in what year?

full_context: Document 1: Georgia International Convention Center: The Georgia International Convention Center or GICC, opened in April 2009, is the second largest convention center in the U.S. state of Georgia, second only to the Georgia World Congress Center. It is located at 2000 Convention Center Concourse, just off Camp Creek Parkway (S.R. 6) and Roosevelt Highway (U.S. 29) in College Park. The Convention Center is accessible from the Airport MARTA station (via a connection to the ATL Skytrain), Interstate 285, and Interstate 85.
Document 2: Underground Atlanta: 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.
Document 3: Peachtree Summit: Peachtree Summit is a 125 m , 31-story skyscraper in downtown Atlanta, Georgia. Completed in 1975, Peachtree Summit is shaped like a triangle due to the unusual shape of its building lot, which is hemmed in by the Downtown Connector, West Peachtree Street, and Ivan Allen Jr. Boulevard. The building has a direct connection to the Civic Center MARTA station and was built with a three-story lobby to account for the late 1970s elevation of West Peachtree Street for MARTA construction. This building was planned as the first of three similar buildings for the area, of which only this one was constructed.
Document 4: Centennial Olympic Park: Centennial Olympic Park is a 21 acre public park located in downtown Atlanta, Georgia owned and operated by the Georgia World Congress Center Authority. It was built by the Atlanta Committee for the Olympic Games (ACOG) as part of the infrastructure improvements for the 1996 Summer Olympics. It plays host to millions of visitors a year and several events, including a summer popular music concert series (Wednesday WindDown) and an annual Independence Day concert and fireworks display.
Document 5: Hotel District: The Hotel District is a neighborhood in Downtown Atlanta, Georgia, United States. The district's name is derived from it being the home to many hotels, one of them being the famous Westin Peachtree Plaza Hotel. The Hotel District is generally considered to be bounded by the Downtown Connector to the east, Five Points to the south, Centennial Olympic Park to the west, and Midtown to the north. The district's primary thoroughfare is Peachtree Street, which contains most of the restaurants, hotels, and office buildings. The intersection of Andrew Young International Boulevard and Peachtree Street forms the heart of the district.
Document 6: Marietta Street: Marietta Street is a historic street in Downtown Atlanta. The street leads from Atlanta towards the town of Marietta, as its name indicates. It begins as one of the five streets intersecting at Five Points, leading northwest, forming the southern border of Downtown's Fairlie-Poplar district, continuing through Downtown's Luckie Marietta district, then entering West Midtown's Marietta Street Artery neighborhood, until terminating at its junction with West Marietta St., Brady Ave., and 8th St.
Document 7: The Masquerade (Atlanta): 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.
Document 8: Georgia World Congress Center: The Georgia World Congress Center (GWCC) is a convention center in Atlanta, Georgia, USA. Enclosing some 3.9 million ft (360,000 m) in exhibition space and hosting more than a million visitors each year, the GWCC is the third-largest convention center in the United States. Opened in 1976, the GWCC was the first state-owned convention center established in the United States. The center is operated on behalf of the state by the Georgia World Congress Center Authority, which was chartered in 1971 by Georgia General Assembly to develop an international trade and exhibition center in Atlanta. The authority later developed the Georgia Dome, Centennial Olympic Park, and Mercedes-Benz Stadium, which replaced the Georgia Dome. The Georgia Dome was closed on March 5, 2017 and is scheduled for implosion on November 20, 2017 while Mercedes-Benz Stadium officially opened on August 26, 2017. While the GWCCA owns Mercedes-Benz Stadium, AMB Group, the parent organization for the National Football League's Atlanta Falcons and Major League Soccer's Atlanta United FC, is responsible for the stadium's operations.
Document 9: Mall of Georgia: Mall of Georgia is an enclosed super-regional shopping mall located in Gwinnett County, Georgia, near the city of Buford, 30 mi northeast of Atlanta. Built in 1999, it is currently the largest shopping mall in the state of Georgia, consisting of more than two hundred stores on three levels. The mall's anchor stores include Belk, Dillard's, JCPenney, Macy's and Von Maur, other major stores include Barnes & Noble, Dick's Sporting Goods, and Haverty's. Also, located in the Mall of Georgia Crossing is Best Buy, Nordstrom Rack, T.J. Maxx, and Target. Also featured in the mall is a large village section, comprising lifestyle tenants and restaurants in an outdoor setting, as well as a 500-seat amphitheater. The mall attracts many high end stores such as Coach, Swarovski, Clarks, J.Crew, and Aveda. Simon Property Group manages the Mall of Georgia.
Document 10: Five Points station: Five Points is a metro station of the Metropolitan Atlanta Rapid Transit Authority (MARTA) rail system in Atlanta, Georgia. It is the transfer point for all rail lines and serves as the main transportation hub for MARTA. It provides access to Station Soccer, the Five Points Business District, Underground Atlanta, City Hall, the Richard B. Russell Federal Building, Cobb Community Transit, Gwinnett County Transit, GRTA Xpress Transit, and the tourism heart of Downtown Atlanta. It provides connecting bus service to Zoo Atlanta, Grant Park, Atlanta University Center, Martin Luther King, Jr., National Historic Site, Carter Center, Atlanta City Hall, and Fulton County Government Center.
Document 11: Georgia Theatre: Georgia Theatre is a live music venue and event space in Athens, Georgia. Many prominent national and local acts across all genres have performed at the Theatre, including rock, folk, country, indie, alternative, hip hop and electronic. The venue is on the Athens Music History Walking Tour sponsored by the Athens Convention and Visitors Bureau. Georgia Theatre opened as a music venue in 1978, but spent a few years in the early 1980s operating sporadically as a movie house. It was reopened as a music venue in 1989 and has since hosted many of the major touring acts that come through the state.
Document 12: Chamblee station: Chamblee is a train station in Chamblee, Georgia, serving the Gold Line of the Metropolitan Atlanta Rapid Transit Authority (MARTA) rail system. The station is bounded by New Peachtree Road on the East, Peachtree Road on the West and Chamblee Tucker road to the South. Chamblee Dunwoody Road is approximately ¼ mile to the north. A multi use trail has been completed between Keswick Park and Chamblee Tucker Road; this trail crosses under Peachtree Industrial Boulevard at Clairmont Road and ends at the Wal-Mart Shopping Center just southeast of the station. Chamblee has plans to connect this multi use trail at Keswick Park to an existing PATH trail that runs near Ashford Dunwoody Road between Blackburn Park and Murphey Candler Park. This station provides access to DeKalb-Peachtree Airport, Interactive College of Technology, Chamblee City Hall, and connecting bus service to Northlake Mall, Georgia State University (Dunwoody Campus), Peachford Hospital, Mercer University, Strayer University, North DeKalb Health Center, and the Veterans Administration Hospital.
Document 13: Georgia International Plaza: Georgia International Plaza is a 6 acre green space atop a 2,000-space parking garage in Downtown Atlanta, between the Georgia Dome on the west, the Georgia World Congress Center on the north, Philips Arena on the east and In March 1994 the Georgia General Assembly approved $28 million to build the park. The public artwork "Flare across America" is located in the park.
Document 14: Arbor Place Mall: Arbor Place Mall, the only regional mall directly serving the growing western suburbs of Atlanta, is located in Douglasville, Georgia, in Douglas County. Opened in 1999 like Mall of Georgia in Buford, which is also Georgia's largest mall, the mall was originally to be anchored by Dillard's, Parisian, Sears, and Upton's. The Upton's chain folded prior to the opening of the mall, but the contract to build the store was still completed, resulting in a vacant anchor when the mall opened. A home improvement chain named Dekor took over the Upton's site in 2000. The chain folded in 2001 and once again left the mall with a vacant anchor space. In 2003, JCPenney took over the site.
Document 15: Georgia Dome: The Georgia Dome is a recently retired domed stadium in the southeastern United States, currently under demolition. Located in Atlanta, Georgia, between downtown to the east and Vine City to the west, it was owned and operated by the State of Georgia as part of the Georgia World Congress Center Authority. Its successor, Mercedes-Benz Stadium, was built adjacent to the south and opened in August 2017.
ground_truth: 1969