Question: Mogens Palle is a Danish professional boxing promoter and manager, he was involved in more than 200 matches for European and world titles and worked with which Danish former professional boxer, who held the IBO heavyweight title?

Context paragraphs:
Neil Simpson (boxer): Neil "Simmo" Simpson ( (1974--) 23 1974 (age (2017)-(1974)-((11)<(01)or(11)==(01)and(30)<(23)) ) ) born in London, now based in Coventry, is an English professional light heavy/cruiser/heavyweight boxer of the 1990s and 2000s, who won the British Boxing Board of Control (BBBofC) Midlands Area light heavyweight title, BBBofC British light heavyweight title, British Masters Cruiserweight title, and Commonwealth light heavyweight title, and was a challenger for the International Boxing Organization (IBO) Inter-Continental light heavyweight title against Darren Corbett, European Boxing Union (EBU) light heavyweight title against Yawe Davis, World Boxing Union (WBU) light heavyweight title against Tony Oakey, and BBBofC British light heavyweight title against Peter Oboh, his professional fighting weight varied from 169 lb , i.e. light heavyweight to 216 lb , i.e. heavyweight.

Crawford Ashley: Crawford "Chilling" Ashley (born Gary Crawford, 20 May 1964 in Leeds is an English professional super middle/light heavy/cruiser/heavyweight boxer of the 1980s, '90s and 2000s, who won the British Boxing Board of Control (BBBofC) Central Area light heavyweight title, BBBofC British light heavyweight title, European Boxing Union (EBU) light heavyweight title (twice), and Commonwealth light heavyweight title (twice), drew with Yawe Davis for the vacant European Boxing Union (EBU) light heavyweight title, and was a challenger for the European Boxing Union (EBU) light heavyweight title against Graciano Rocchigiani, World Boxing Association (WBA) World super middleweight title against Michael Nunn, World Boxing Association (WBA) World light heavyweight title against Virgil Hill, and World Boxing Union (WBU) cruiserweight title against Sebastiaan Rothmann, his professional fighting weight varied from 163 lb , i.e. super middleweight to 211 lb , i.e. heavyweight.

Mike Tetteh: Mike Tetteh (born January 24, 1960, Accra, Ghana, Africa) is a well known African businessman, professional boxing promoter, matchmaker and manager in Ghana and the African continent, nicknamed 'The Don King of Ghana'.  Tetteh formed Goldenmike Promotions (to relation to Golden Boy Promotions) in July 2003, and has promoted 34 amateur and professional boxing shows in Africa to date.  Tetteh was named 'Boxing Promoter of the Year' in Ghana in 2010 and 2011.

Mogens Palle: Mogens Palle (born 14 March 1934) is a Danish professional boxing promoter and manager.  He was involved in more than 200 matches for European and world titles and worked with Ayub Kalule, Tom Bogs, Jimmy Bredahl, Thomas Damgaard, Brian Nielsen, Chris Christensen, Jørgen Hansen, Steffen Tangstad and Mikkel Kessler, among other boxers.  In the mid-1960s he was the European manager of Sonny Liston, and in 2001 organized the match between Mike Tyson and Brian Nielsen in Denmark.  He also brought to Denmark boxing stars like Carlos Monzon, Larry Holmes, Emile Griffith, Ken Buchanan and John Conteh.  During his career he worked together with his father Thorkild and daughter Bettina.  In 2008 he was inducted into the International Boxing Hall of Fame.

Floyd Mayweather Jr.: Floyd Joy Mayweather Jr. (born Floyd Joy Sinclair; February 24, 1977) is an American professional boxing promoter and former professional boxer.  He competed from 1996 to 2007 and 2009 to 2015, and made a one-fight comeback in 2017.  During his career, he held 15 world titles in five weight classes and the lineal championship in four different weight classes (twice at welterweight), and retired with an undefeated record of 50–0, surpassing Rocky Marciano's record of 49–0.  As an amateur, Mayweather won a bronze medal in the featherweight division at the 1996 Olympics, three U.S. Golden Gloves championships (at light flyweight, flyweight, and featherweight), and the U.S. national championship at featherweight.

Garry Delaney: Gary Delaney ( (1970--) 12 1970 (age (2017)-(1970)-((11)<(08)or(11)==(08)and(30)<(12)) ) ) born in Newham is an English professional light heavy/cruiser/heavyweight boxer of the 1990s and 2000s.  He won the British Boxing Board of Control (BBBofC) Southern Area light heavyweight title, World Boxing Board (WBB) light heavyweight title, World Boxing Organization (WBO) Inter-Continental light heavyweight title, BBBofC Southern Area cruiserweight title, and Commonwealth light heavyweight title (twice), and was a challenger for the BBBofC British heavyweight title, and Commonwealth heavyweight title against Julius Francis, World Boxing Organization (WBO) Inter-Continental cruiserweight title against John Keeton, and Jesper Kristiansen, BBBofC British cruiserweight title, and Commonwealth (British Empire) cruiserweight title against Bruce Scott, and World Boxing Union cruiserweight title against Sebastiaan Rothmann, and Enzo Maccarinelli, his professional fighting weight varied from 174 lb , i.e. light heavyweight to 231 lb , i.e. heavyweight.

Steve Aczel: Steve Aczel ( (1954--) 08 1954 (age (2017)-(1954)-((11)<(09)or(11)==(09)and(30)<(08)) ) ) born in Budapest is an Australian professional light heavy/cruiser/heavyweight boxer of the 1980s, '90s and 2000s who won the Australasian light heavyweight title, Australian light heavyweight title, Australian heavyweight title, Oriental and Pacific Boxing Federation (OPBF) heavyweight title, Queensland State (Australia) heavyweight title, and Commonwealth light heavyweight title, drew with Maile Haumona for the South Pacific heavyweight title, and was a challenger for the Australian cruiserweight title against Tony Mundine, and Commonwealth cruiserweight title against Stewart Lithgo, his professional fighting weight varied from 172 lb , i.e. light heavyweight to 203+1/2 lb , i.e. heavyweight.  He was inducted into the Australian National Boxing Hall of Fame in 2011.

Umar Salamov: Umar Salamov (born 7 June 1994, Alkhan-Kala, Russia) is a Russian light-heavyweight professional boxer.  Salamov has held the WBO Youth World Light Heavyweight title, IBO Youth World Light Heavyweight title and the IBO World Light Heavyweight title.  Salamov is currently ranked 8th in the WBO world rankings and 19th in Boxrec independent computerized rankings.

Guy Waters: Guy "Arc Angel" Waters ( (1964--) 25 1964 (age (2017)-(1964)-((11)<(01)or(11)==(01)and(30)<(25)) ) ) is an Australian professional welter/light middle/middle/super middle/light heavy/cruiserweight boxer of the 1980s, 1990s and 2000s who won the New South Wales State (Australia) light heavyweight title, Australian light heavyweight title, Oriental and Pacific Boxing Federation (OPBF) light heavyweight title, Australasian Light Heavyweight Title, World Boxing Federation (WBF) light heavyweight title, International Boxing Federation (IBF) Pan Pacific super middleweight title, Oriental and Pacific Boxing Federation (OPBF) super middleweight title, and Commonwealth light heavyweight title, and was a challenger for the WBC light heavyweight title against Dennis Andries, World Boxing Association (WBA) World light heavyweight title against Virgil Hill, World Boxing Council (WBC) cruiserweight title against Juan Carlos Gómez, and Commonwealth super middleweight title against David Starie, his professional fighting weight varied from 167+1/2 lb , i.e. super middleweight to 185+1/4 lb , i.e. cruiserweight.

Brian Nielsen (boxer): Brian Nielsen (born 1 April 1965) is a Danish former professional boxer who held the IBO heavyweight title.

Supporting paragraphs: Mogens Palle Brian Nielsen (boxer)
Answer: Brian Nielsen