Question: The Dutch football manager who managed Lee Young-pyo was born in what year?

Context paragraphs:
Jan Vreman: Jan Vreman is a Dutch football manager and former player, who most recently managed Dutch football club De Graafschap.

Remy Reynierse: Remy Reynierse (also written as Remy Reijnierse; born 18 June 1961), is a Dutch football manager and former player.  As a player, he served EVV Eindhoven (now known as FC Eindhoven) and FC VVV (now known as VVV-Venlo).  As a manager, he has coached VVV, the Netherlands women's national football team and several other representative teams of the Royal Dutch Football Association.

Job Dragtsma: Job Dragtsma (born 23 October 1955, in Alkmaar, Netherlands) is a Dutch football manager, who was the coach of FC Volendam for around a year (2004–2005).  He also managed FC Inter Turku in Finland, with whom he won the national title in 2008, Finnish League Cup in 2008 and the Finnish Cup in 2009.  He resigned from FC Inter in May 2016.

Lee Young-pyo: Lee Young-pyo (Korean: 이영표 ; ] ; born 23 April 1977) is a retired South Korean footballer.  Lee was recognized for his speed and dribbling skills.  His former manager Martin Jol once called him "the best left-back in Holland".

Maarten Stekelenburg (footballer, born 1972): Maarten Jan-Willem Stekelenburg (born 13 December 1972 in Amsterdam) is a Dutch football manager.  He is the manager of the Netherlands national under-19 football team.  He previously managed Premier Soccer League club Ajax Cape Town and Almere City.  He was also the head coach of the Netherlands under-17 national team from July 2013 until June 2015, when he replaced Fred Grim at Almere City.

Erwin van de Looi: Erwin van de Looi is a Dutch football manager and former player, who is currently the manager of Dutch football club Willem II.

Martin Jol: Maarten Cornelis "Martin" Jol (born 16 January 1956) is a Dutch football manager and former midfielder.

Ad Zonderland: Ad Zonderland (2 October 1940 – 15 August 2007) was a Dutch football manager and football administrator.  He worked for several Dutch football clubs, most notably Feyenoord (as assistant and interim manager) and Ajax (as coordinator of their Ghana and South Africa academies).

Henk Fraser: Hendrikus "Henk" Fraser (born 7 July 1966 in Paramaribo, Suriname) is a Dutch football manager and former player, who is currently the manager of Eredivisie side Vitesse.  He played as a defender and earned seven caps for the Netherlands national football team in which he scored one goal.  He was a member of the Dutch team at the 1990 FIFA World Cup in Italy under manager Leo Beenhakker.  He made his debut for the Netherlands on 6 September 1989, in a friendly against Denmark (2-2).

Wim de Bois: Cornelis Hendrik Willem de Bois (19 June 1896 – 1 August 1975) is a former Dutch football manager and player who played for AFC Ajax in the Netherlands.  During his managerial career he managed the Dutch Guyana national team ("now known as Suriname"), DFC, DOS, RBC, Go Ahead, SC Veendam, VV Oldenzaal, Quick '20 and Tubantia.

Supporting paragraphs: Lee Young-pyo Martin Jol
Answer: 1956