Question: What date did the brawl that the Knicks–Nuggets brawl was the most penalized on-court fight since occur?

Context paragraphs:
1990–91 New York Knicks season: The 1990–91 NBA season was the 45th season for the New York Knicks in the National Basketball Association.  In the offseason, the Knicks signed unrestricted free agent John Starks, who played in the Continental Basketball Association the previous season.  The Knicks changed their on-court leadership early in the season as head coach Stu Jackson was replaced by John MacLeod.  After a 6–3 start to the season, the Knicks lost eight of their next nine games and were 32–32 the rest of the season.  They finished in third place in the Atlantic Division with a 39–43 record, and earned the #8 seed in the Eastern Conference for the NBA Playoffs.  Patrick Ewing led the Knicks with 26.6 points per game, and was selected for the 1991 NBA All-Star Game.

MFC 22: 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.

Pacers–Pistons brawl: 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".

2004 Clemson Tigers football team: 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.

Knicks–Nuggets brawl: 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.

Apex (tournament): Apex is an annual esports tournament held in New Jersey that focused on fighting games, specifically "Super Smash Bros." The event's first incarnation was in 2009 with Jesus "Jman" Fernandez as the champion of "Super Smash Bros.  Melee" and Elliot "Ally" Carroza-Oyarce as champion of "Super Smash Bros.  Brawl".  Each year the event grew with more competitors entering.  Apex 2014 garnered 629 entrants and was the 2nd largest tournament for "Melee" at the time after EVO 2013.  Though the tournament initially focused on "Brawl", the feature game has since switched to "Melee" due to its popularity.  In 2010, an event for "Super Smash Bros." for the Nintendo 64 was added.  In 2014, the fan modification of "Brawl", "Project M" was added for singles only.  "Project M" has recently been removed as an official event out copyright concerns under Nintendo of America sponsorship and Third Party relations.

Fall Brawl: 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.

Colorado Avalanche–Detroit Red Wings brawl: 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.

Kermit Washington: Kermit Alan Washington (born September 17, 1951) is an American former professional basketball player.  Washington is best remembered for punching opposing player Rudy Tomjanovich during an on-court fight in 1977.  His punch nearly killed Tomjanovich, and resulted in severe medical problems that ultimately ended Tomjanovich's playing career.

2006–07 Denver Nuggets season: The 2006–07 Denver Nuggets season was the 40th season of the franchise, 31st in the National Basketball Association (NBA).  The season is best remembered when Carmelo Anthony made headlines on December 15 when he was involved in a brawl against the Knicks, allowing the league to suspend him for the next 15 games.  Four days after, the Nuggets made a bold move, acquiring Allen Iverson from Philadelphia.  Anthony and newly acquired Iverson played their first game together on January 22, 2007 in a game against Memphis.  The Nuggets finished the year at 45-37, making the postseason for the fourth straight year.  However, they did not make it out of the first round, losing to the eventual champion San Antonio Spurs in five games.  Anthony and Iverson were voted to play in the 2007 NBA All-Star Game.  However, Iverson did not play due to an injury.  This was Anthony's first All-Star game appearance and the first time since Antonio McDyess in 2001 where a Nugget was voted to an All-Star game.

Supporting paragraphs: Knicks–Nuggets brawl Pacers–Pistons brawl
Answer: November 19, 2004