question: What award did the film featuring Nate Diaz's younger brother win?
answer: the Best Documentary Award
context: Title: Nick Diaz
  Passage: Nicholas Robert "Nick" Diaz (born August 2, 1983) is an American professional mixed martial artist who is currently signed with the Ultimate Fighting Championship (UFC).  Since beginning his career in 2001, Diaz has competed in UFC, PRIDE, Strikeforce, EliteXC, World Extreme Cagefighting (WEC), DREAM, and Shooto.  He is a former welterweight champion in Strikeforce and WEC, and is the older brother of Nate Diaz.
  Title: Billy Scott (footballer, born 1884)
  Passage: Billy Scott (born 17 May 1882) also known as William Scott, was an Irish footballer who played as a goalkeeper for, among others, Everton, Leeds City, Liverpool and Ireland.  In 1913 Scott was a member of the Ireland team that beat England for the first time with a 2–1 win at Windsor Park.  His younger brother, Elisha Scott, was also a notable goalkeeper and also played for Liverpool and Ireland.  It was Billy Scott who recognised his younger brother's potential and recommended him to Liverpool after an unsuccessful trial at Everton.
  Title: The Jade Mask
  Passage: The Jade Mask is a 1945 film featuring Sidney Toler as Charlie Chan and the only appearance of Number Four Son, Eddie Chan, played by Edwin Luke, the real-life younger brother of Keye Luke, who had depicted Number One Son throughout the 1930s.
  Title: Jayne Appel
  Passage: Born in Berkeley, California, Jayne has two older brothers, Mike and Tommy, and one younger brother, Nate.  Jayne's father, Joseph Appel, played basketball at Saint Mary's College of California.
  Title: Joe Lauzon
  Passage: Joseph Edward Lauzon Jr. (born May 22, 1984) is an American mixed martial artist competing in the UFC's Lightweight division.  He is tied with Nate Diaz as having the most post-fight bonus awards in UFC history.  Joe's younger brother, Dan Lauzon, is also a mixed martial artist.
  Title: Nate Diaz
  Passage: Nathan Donald "Nate" Diaz (born April 16, 1985) is an American professional mixed martial artist currently competing for the Ultimate Fighting Championship (UFC).  He was the winner of "The Ultimate Fighter 5".  Diaz is the younger brother of former Strikeforce Welterweight Champion and WEC Welterweight Champion, Nick Diaz.  Prior to signing with the UFC, Diaz competed in World Extreme Cagefighting, Strikeforce, and Pancrase.  As of June 6th 2017, Diaz is #8 in official UFC lightweight rankings.
  Title: Aluna
  Passage: Aluna is a 2012 feature-length documentary film sequel to the 1990 BBC documentary "".  The first documentary showed an ancient Kogi tribe civilisation (the Elder Brother) who emerge to offer their concern for people of the modern world (Younger Brother).  Younger Brother is urged to change or suffer environmental disaster.  After offering the warning the Kogi retreat back to civilisation hidden in a mountain in Sierra Nevada de Santa Marta, Colombia.
  Title: Padikkadavan (1985 film)
  Passage: Padikkadavan (Tamil: படிக்காதவன் ; English: Uneducated Man ) is a 1985 Tamil film is directed by Rajasekhar.  The story is about a man who strives hard to make his younger brother to study.  The two brothers are the step-brothers of Sivaji Ganesan.  The younger brother of rajinikanth after distressing from rajinikanth finally joins with him.  All three of them finally join together after certain conviction regarding a death.The film was produced by noted Kannada actor Ravichandran along with his father Veerasami.  The film was a huge blockbuster and had a run for more than 200 days breaking the box office records in many distribution territories for Tamil films.  This film is considered as one of the biggest hits for Rajnikanth during the 1980s and increased his fan base among all classes of audience.  The movie is remake of "Khud-Daar".
  Title: Fight Life
  Passage: Fight Life is a feature-length documentary on the sport of mixed martial arts.  The film is directed by independent filmmaker James Z. Feng and produced by RiLL Films.  The film focuses on the lives of professional mixed martial arts fighters outside the cage, primarily profiling Jake Shields, and Lyle Beerbohm.  The film unveils the sport of Mixed martial arts and what it takes to be a modern-day professional fighter.  Many notables MMA stars and experts are featured in this film, including: Nick Diaz, Gilbert Melendez, Chuck Liddell, Frank Shamrock, Miesha Tate, John McCarthy, Julianna Pena, Michael Chiesa, Herschel Walker, Sam Sheridan, Mark Coleman, Tyron Woodley, Ryan Schultz, Matt Lindland, Mike Swick, and Cody McKenzie.  In 2013, "Fight Life" went on to win the Best Documentary Award at the United Film Festival.
  Title: Los Debutantes
  Passage: Los Debutantes is a 2003 Chilean film directed by Andres Waissbluth and starring Antonella Rios and Alejandro Trejo.  It tells the story of two brothers from a small town, played by Nestor Castillana and Juan Pablo Miranda, who move to Santiago and visit a nightclub to celebrate the younger brother's 17th birthday.  The older brother is subsequently offered a job by the club owner Don Pascual (played by Alejandro Trejo), and both brothers become friendly with Gracia, a dancer at the club who has dreams of becoming a singer (played by Antonella Rios).  The story is told in Rashomon style from three different perspectives: firstly from the perspective of the younger brother, secondly from the perspective of the older brother, and finally from the perspective of Gracia.  The film was the Chilean submission for the 76th Academy Awards in the category Academy Award for Best Foreign Language Film which took place in 2004, but was not one of the five nominated films.  It was also nominated for the Goya Awards.  The film was released on DVD in the UK in 2005, and received a mildly critical review in Time Out.
citations: Fight Life Nick Diaz