Question: Which professional footballer is uncle to the African Footballer of the Year for 2008?

full_context: Document 1: Asamoah Gyan: Asamoah Gyan ( , , born 22 November 1985 in Accra) is a Ghanaian professional footballer who plays as a striker for Kayserispor and captains the Ghanaian national team.
Document 2: Didier Drogba: Didier Yves Drogba Tébily (] ; born 11 March 1978) is an Ivorian professional footballer who plays as a striker for American club Phoenix Rising FC. He is the all-time top scorer and former captain of the Ivory Coast national team. He is best known for his career at Chelsea, for whom he has scored more goals than any other foreign player and is currently the club's fourth highest goal scorer of all time. He has been named African Footballer of the Year twice, winning the accolade in 2006 and 2009.
Document 3: Benik Afobe: Benik Tunani Afobe (born 12 February 1993) is a professional footballer who plays as a striker for Premier League club Bournemouth and the DR Congo national team.
Document 4: Trent Alexander-Arnold: Trent John Alexander-Arnold (born 7 October 1998) is an English professional footballer who plays as a right-back for Premier League club Liverpool. He is an academy graduate of Liverpool and made his senior debut for the club in 2016, aged 18. The following year, he won the club's Young Player of the Season award. He has also represented England at all youth levels from under-16 through to under-19. Due to the length of his name, his surname is shortened to Alexander for Premier League fixtures.
Document 5: John Alexander (footballer, born 1955): John Alexander (born 5 October 1955) is an English former footballer who holds the post of club secretary at Manchester United. Born in Liverpool, Alexander began his football career with a club called Ulysses, before being picked up by Millwall, for whom he made his league debut in 1976. After scoring twice in 15 appearances over the course of two years with Millwall, he moved to Reading; he enjoyed greater success with Reading, scoring nine goals in 25 games. In 1981, he joined Northampton Town, but spent just one season with them before retiring from football at the age of 26 in 1982. Upon retiring from football, Alexander got a job with the BBC, but he later returned to football as club secretary at Watford. In 2000, he took up the same post at Tottenham Hotspur, spending 10 years there before applying for the same job at Manchester United, where he would replace the retiring Ken Ramsden. He took over at Manchester United on 1 July 2010. He is the uncle of Liverpool player Trent Alexander-Arnold.
Document 6: Alex Hayes: Alex Hayes is a former sports journalist who specialised in football reporting in the UK and France. He previously worked for "The Independent", TPS/Canal Plus and Sky Sports. He was then a respected football agent, whose clients included Robert Pires and Jérémie Aliadière. He also represented Eric Cantona in the UK. Since May 2015, he has been executive vice-president of Ligue 1's FC Lorient.
Document 7: Tobie Mimboe: Tobie Bayard Mimboe (sometimes referred to as Toby Mimboe), is a retired Cameroonian footballer. He played for several teams, mostly in South America. He started in Cameroonian team Olympic Mvolyé. In his long career, he played in Paraguay for Deportivo Recoleta, Colegiales, Sportivo Luqueño, 12 de Octubre and Cerro Porteño, in Turkey for Gençlerbirliği, in Argentina for San Lorenzo, in Bolivia for The Strongest and in China for Shenyang Haishi. He was capped for the Cameroon national football team, and participated in two African Cup of Nations, in the 1996 African Cup of Nations, and 1998 African Cup of Nations
Document 8: Alex O'Hanlon: Alex O'Hanlon (born 24 April 1996) is an Irish professional footballer playing for League of Ireland Premier Division club, St Patrick's Athletic, having signed in January 2017 from Premier League club Liverpool, the club where he started his professional career.
Document 9: Frédéric Kanouté: Frédéric Oumar Kanouté (born 2 September 1977) is a retired Malian professional footballer who played as a striker for several top-tier clubs in Europe, enjoying his greatest success with La Liga side Sevilla FC. Kanouté was named the 2007 African Footballer of the Year, the first player born outside Africa to win the award.
Document 10: Tomi Ameobi: Oluwatomiwo "Tomi" Ameobi (born 16 August 1988) is an English footballer who plays as a forward for FC Edmonton. He was born in Newcastle upon Tyne, Tyne and Wear. Ameobi is the younger brother of striker Shola Ameobi and the older brother of current Bolton Wanderers winger Sammy Ameobi.
Document 11: Emmanuel Adebayor: Sheyi Emmanuel Adebayor (] ; born 26 February 1984) is a Togolese professional footballer who plays as a striker for Turkish club İstanbul Başakşehir. He previously played for English clubs Arsenal, Manchester City, Tottenham Hotspur and Crystal Palace, as well as French sides Metz and Monaco and Spanish team Real Madrid. He was voted African Footballer of the Year for 2008 while playing at Arsenal.
Document 12: Emre Belözoğlu: Emre Belözoğlu (, born 7 September 1980 in Istanbul) is a Turkish football midfielder who plays for İstanbul Başakşehir. A talented playmaker, his past clubs include Galatasaray, Inter Milan, Newcastle United, Atlético Madrid and Fenerbahçe.
Document 13: Alex Harlley: Alex Harlley (born 28 June 1992) is a Togolese professional footballer currently playing for the Atlanta Silverbacks. He is the nephew of Emmanuel Adebayor.
Document 14: Alexander Hleb: Aliaksandr Paulavich Hleb (Belarusian: Аляксандр Паўлавіч Глеб , ] ; Russian: Александр Павлович Глеб ; born 1 May 1981), commonly referred to in English as Alexander Hleb, is a Belarusian professional footballer.
Document 15: Pierre-Emerick Aubameyang: Pierre-Emerick Emiliano François Aubameyang (] ; born 18 June 1989) is a French-born Gabonese professional footballer who plays for German Bundesliga club Borussia Dortmund and the Gabon national team. He is known for his speed, having clocked 30 metres in 3.7 seconds, and his capability of playing as a forward or a winger.
ground_truth: Alex Harlley