question: Miletich Fighting Systems is a training camp for the MMA fighter who has a background in what other discipline?
answer: wrestling
context: Title: Finney's HIT Squad
  Passage: The Hit Squad, formerly known as Finney's HIT Squad under Jesse Finney and originally as H.I.T. Squad, is a mixed martial arts gym based out of Granite City, Illinois.  Founded in 2007 by UFC Hall of Fame inductee Matt Hughes, it was purchased in 2011 by MMA veteran Jesse Finney after he retired from professional competition.  Hughes departed from Miletich Fighting Systems in order to start the team, alongside then-current EliteXC Middleweight Champion Robbie Lawler, longtime boxing coach Matt Pena, and wrestling/conditioning teacher Marc Fiore.
  Title: Miletich Fighting Systems
  Passage: Miletich Fighting Systems (MFS) is a mixed martial arts (MMA) training organization.  It is recognized as an excellent training camp.  It has been the training camp for fighters such as Matt Hughes, Tim Sylvia, Jens Pulver, Robbie Lawler, and Jeremy Horn.  MFS is widely regarded as one of the most successful MMA camps of all time.
  Title: Matt Hughes (fighter)
  Passage: Matthew Allen Hughes (born October 13, 1973) is a retired American mixed martial artist with a background in wrestling.  He is a two-time UFC Welterweight Champion, UFC Hall of Fame inductee, and NJCAA Hall of Fame inductee.  During his tenures in the Ultimate Fighting Championship, Hughes put together two separate six-fight winning streaks, defeated all the available opposition in the welterweight division, and defended the belt a then-record seven times.  Hughes was inducted into the UFC Hall of Fame in May 2010 during the UFC Fan Expo in conjunction with UFC 114.
  Title: Championship Fighting Alliance
  Passage: Championship Fighting Alliance (CFA) is a mixed martial arts (MMA) based promotion company located in Miami Lakes, Florida.  It was founded by former MMA fighter and promoter Jorge De La Noval in 2011.  It has currently produced 10 live events.  Fallon Fox, who currently is signed to fight for CFA, is the first openly transgender MMA fighter in history.  On May 24, 2013, CFA will be hosting CFA 11, their 11th event at the Bankunited Center located on the University of Miami campus.  Fighter 411 reported that CFA had held the most events in Florida during the 2012-2013 season.
citations: Matt Hughes (fighter) Miletich Fighting Systems