question: What date did the brawl that the Knicks–Nuggets brawl was the most penalized on-court fight since occur?
answer: November 19, 2004
context: Title: MFC 22
  Passage: MFC 22: Payoff was a mixed martial arts event held by the Maximum Fighting Championship (MFC), it was held on October 2, 2009 at the River Cree Resort and Casino in Enoch, Alberta.  It featured the return of Jason MacDonald, who was competing in his first fight since being released by the UFC, against Travis Lutter, also competing in his first fight since being released by the UFC.  The co-main event featured Antonio McKee defending the MFC lightweight title against Brazilian Carlo Prater.  The event also featured UFC veterans Luigi Fioravanti, John Alessio, Pete Spratt, David Heath, Mike Nickels and Marvin Eastman.  This event was broadcast on HDNet.
  Title: 2004 Clemson Tigers football team
  Passage: The 2004 Clemson Tigers football team represented Clemson University during the 2004 NCAA Division I-A football season.  Clemson's 600th win came November 20 against South Carolina, a game notable for a brawl between the two teams.  Due to the brawl, the Tigers declined a bowl bid in part because of the unsportsmanlike nature of the fight.
  Title: Knicks–Nuggets brawl
  Passage: The Knicks–Nuggets brawl was an on-court altercation at a National Basketball Association (NBA) game between the New York Knicks and Denver Nuggets at Madison Square Garden in New York City on December 16, 2006.  This altercation was the most penalized on-court fight in the NBA since the Pacers–Pistons brawl two years before.
  Title: Fall Brawl
  Passage: Fall Brawl was an annual professional wrestling pay-per-view (PPV) event produced by World Championship Wrestling (WCW) and was held in the month of September from 1993 through 2000.  The name was derived from the fall edition of "Clash of the Champions", called "Fall Brawl".  It was considered by many as WCW's answer to the World Wrestling Federation's annual Survivor Series pay-per-view event due to the main event WarGames match held during most of the Fall Brawl shows.  World Wrestling Entertainment have owned the rights to Fall Brawl since they purchased WCW in March 2001 and although they have not produced the event under the main banner, Ohio Valley Wrestling did use the "Fall Brawl" name during the time it was a WWE development territory.  In 2014, All WCW pay-per-views were made available on the WWE Network.
  Title: Colorado Avalanche–Detroit Red Wings brawl
  Passage: The Avalanche–Red Wings brawl was a large-scale on-ice melee that occurred March 26, 1997, at Joe Louis Arena in Detroit, Michigan, United States, between two National Hockey League rivals, the Colorado Avalanche and Detroit Red Wings.  The brawl, which has been nicknamed Bloody Wednesday, Fight Night at the Joe and Brawl in Hockeytown, stemmed from a previous on-ice incident between the two teams during the 1996 Western Conference Finals.
  Title: Pacers–Pistons brawl
  Passage: The Pacers–Pistons brawl (colloquially known as the Malice at the Palace or Basketbrawl) was an altercation that occurred in a National Basketball Association (NBA) game between the Indiana Pacers and the Detroit Pistons on November 19, 2004, at The Palace of Auburn Hills in Auburn Hills, Michigan.  The Associated Press (AP) called it "the most infamous brawl in NBA history".
citations: Pacers–Pistons brawl Knicks–Nuggets brawl