Floyd Mayweather Jr. vs. Canelo Alvarez, billed as "The One", was a boxing light middleweight championship superfight. The bout was held on September 14, 2013, in the MGM Grand Garden Arena, at the MGM Grand Hotel & Casino in Las Vegas, Nevada, United States, on Showtime PPV. Mayweather received $41.5 million for this fight before taking into account pay-per-view sales.
The Mayweather vs Alvarez fight took place in Vegas.
A: Yes

Undead is a 2003 Australian zombie science fiction horror comedy film written and directed by Michael and Peter Spierig and starring Felicity Mason, Mungo McKay and Rob Jenkins. It was then-relatively-unknown "Good Game" presenter Steven O'Donnell's first film role.
Steven O'Donnell was not a popular actor before the 2003 Zombie movie.
A: Yes

System of a Down, sometimes shortened to System and abbreviated as SOAD, is an Armenian-American heavy metal band from Glendale, California, formed in 1994. The band currently consists of Serj Tankian (lead vocals, keyboards), Daron Malakian (vocals, guitar), Shavo Odadjian (bass, backing vocals) and John Dolmayan (drums).
Systems lead singer and drummer are american born
A:
It's impossible to say