Question: Ralek Gracie is the nephew of a retired mixed martial artist who was born in which year ?

Related documents: [0]  [DOC] Rickson Gracie (] ; born November 21, 1958) is a Brazilian 9th degree red belt in Gracie Jiu-Jitsu and a retired mixed martial artist. He is a member of the Gracie family: the son of Hélio Gracie, brother to Rorion and Relson Gracie, and half-brother to Rolker, Royce, Robin and Royler Gracie. In November 2014 he became an inductee of the Legends of MMA Hall of Fame, alongside Big John McCarthy, Pat Miletich, and Fedor Emelianenko. [END] 
[1]  [DOC] Ralek Gracie ( ; born October 4, 1985) is an American Brazilian jiu-jitsu practitioner and mixed martial artist. As the son of Rorion Gracie, he is a member of the Gracie family, and the nephew of Legends of MMA Hall of Famer Rickson Gracie and UFC Hall of Famer Royce Gracie. He was awarded his black belt in Brazilian jiu-jitsu by his grandfather Hélio Gracie. He is also the founder of Metamoris, a submission-only grappling promotion. [END]  
Answer: 1958
1958