Question: What is the nickname of the Australian football team for which Len Mann played ? 

Context paragraphs:
Melbourne Football Club: The Melbourne Football Club, nicknamed the Demons, is a professional Australian rules football club, playing in the Australian Football League (AFL).  It is named after and based in the city of Melbourne, Victoria, and plays its home games at the Melbourne Cricket Ground (MCG).

AFL Wide Bay: The AFL Wide Bay is an amateur Australian rules football competition that was formerly known as the Bundaberg-Wide Bay Australian Football League which was formed in 1987 through the merger of the Bundaberg Australian Football League and Wide Bay Australian Football Leagues.  The competition currently features teams from the cities of Bundaberg, Maryborough and Hervey Bay.  Teams from Gympie and Pomona, played in this competition up until 2006, before changing Leagues.  The representative team is known as the Tigers wearing guernseys similar to those of the Richmond Tigers.

List of Hawthorn Football Club coaches: The Hawthorn Football Club are a professional Australian rules football team based in Mulgrave, Victoria, playing in the Australian Football League.  The team began as the Mayblooms before changing their nickname to the Hawks in 1942.

Indigenous Team of the Century: The Indigenous Team of the Century (Australian rules football) was selected to recognise the role of Indigenous Australians in the sport.  It was announced in 2005 to celebrate the 100th anniversary of the first senior level game played by an indigenous player in the Victorian/Australian Football League, Fitzroy's Joe Johnson.  The panel's final selection from a short-list of 35 consisted of 24 players, 19 of whom have represented clubs competing in the Victorian/Australian Football League, whilst the remaining five were picked for their record in either the South Australian National Football League or the West Australian Football League.  Graham Farmer was named as the team's captain and Barry Cable was selected as the team's coach.  Eight of the players were still active in the AFL at the time of being selected.

Len Mann: Len Mann (born 21 August 1938) is a former Australian rules footballer who played for Melbourne in the VFL during the early 1960s.

Port Adelaide Football Club: The Port Adelaide Football Club is a professional Australian rules football club based in Alberton, Port Adelaide, South Australia.  The club's senior team plays in the Australian Football League (AFL) under the nickname Power, whilst its reserves and development teams compete in the South Australian National Football League (SANFL) under the nickname Magpies.  Port Adelaide is the oldest professional sporting club in South Australia and the fifth-oldest club in the AFL.  Since the club's first game on 24 May 1870, the club has won 36 South Australian league premierships, including six in a row.  The club also won the Champions of Australia competition on a record four occasions.  In 1997, the club joined the Australian Football League as the only pre-existing non-Victorian club—and subsequently added the 2004 AFL premiership to its achievements.

Charlie Yankos: Charles "Charlie" Yankos (Greek: Τσάρλι Γιάνκος , born 29 May 1961) is an Australian former football (soccer) player of Greek descent who played for the Australian football team (Socceroos) 49 times and scored 7 full international goals.  He was also the captain of the Australian football team on 30 occasions between 1986 and 1989.

2012 Australian football code crowds: Australia is home to 4 professional football codes.  This is a comprehensive list of crowd figures for Australian football codes in 2012.  It includes several different competitions and matches from Australian rules football, Association football (Soccer), rugby league and rugby union and International rules football which is hybrid game played between Australian & Ireland which takes aspect from Australian rules football & Gaelic football.  Melbourne, Sydney and Brisbane have teams represented in all four codes.  Hobart and Darwin are Australia's only capital cities without a professional football team though they are home to professional games of Australian Football.

International Rules Series: The International Rules Series is a senior men's international rules football competition between the Australia international rules football team (selected by the Australian Football League) and the Ireland international rules football team (selected by the Gaelic Athletic Association).  The series is played close to annually in October or November after the completion of the AFL Grand Final and the All-Ireland Football Final which are both traditionally played in late September.  The matches are played using a set of compromise rules decided upon by both the two governing bodies; known formally as international rules football.  While the International Rules Series matches use some rules from Australian rules football, the field, ball and uniforms of both teams are all from Gaelic football.

Hassa Mann: Harold Peter "Hassa" Mann (born 10 October 1940) is a former Australian rules footballer who played for and captained Melbourne in the VFL during the 1960s.  He earned the name Hassa when he was a toddler, from his cousin and future Melbourne footballer Len Mann.

Supporting paragraphs: Len Mann Melbourne Football Club
Answer: the Demons