Question: What multi-purpose arena located within the MGM Grand Las Vegas on the Las Vegas Strip was the 2012 "Billboard" Music Awards held?
Related documents: [0]  [DOC] The 2012 "Billboard" Music Awards is a music award ceremony that was held on May 20, 2012 at the MGM Grand Garden Arena in Las Vegas, Nevada. It aired on ABC at 8:00/7:00 PM central. The show was hosted by Modern Family's Julie Bowen and Ty Burrell. [END] 
[1]  [DOC] The MGM Grand Garden Arena (originally known as the MGM Grand Garden Special Events Center) is a multi-purpose arena located within the MGM Grand Las Vegas on the Las Vegas Strip. [END] 
Answer: 
MGM Grand Garden Arena
MGM Grand Garden Arena