Question:  Elkhan Mammadov is the project leader for the bid for which quadrennial competition?

Context paragraphs:
Christophe Lambert (judoka): Christophe Lambert (born 3 June 1985 in Braunschweig, Germany) is a German judoka.  He competed at the 2012 Summer Olympics in the -90 kg event and lost in the first round to Elkhan Mammadov.  Lambert won the bronze medal at the 2012 European Judo Championships.

Elkhan Mammadov (fencer): Elkhan Mammadov (Azerbaijani: "Elxan Məmmədov" ; born 1 August 1969) is an Azerbaijani fencer.  He competed in the individual sabre event at the 1996 Summer Olympics.

2012 Summer Paralympics medal table: The medal table of the 2012 Summer Paralympics ranks the participating National Paralympic Committees (NPCs) by the number of gold medals won by their athletes during the competition.  The 2012 Paralympics was the fourteenth Games to be held, a quadrennial competition open to athletes with physical and intellectual disabilities.  The games were held in London, United Kingdom, from 29 August to 9 September 2012.

Project Madurai: Project Madurai (மதுரை தமிழ் இலக்கிய மின்தொகுப்புத் திட்டம்) is an open and voluntary initiative to publish free versions of ancient Tamil literature on the Internet.  Texts are published in both TSCII (Tamil Script Code for Information Interchange), since its launch in 1998 and Unicode formats from 2004.  The project was led by Dr. K. Kalyanasundaram, Lausanne, Switzerland (Project Leader) and Dr. P. Kumar Mallikarjunan, Blacksburg, Va, USA (Dy.  Project Leader).

Elkhan Mammadov (judoka): Elkhan Mammadov (born February 26, 1982, Baku, Azerbaijani SSR, USSR) is an Azerbaijani judoka.

Joost Vander Auwera: Dr. Joost Vander Auwera (born 24 January 1957) is a Belgian art historian and museum curator.  He is Senior Curator at the Royal Museums of Fine Arts of Belgium in Brussels.  He is the Co-Founder and Project Leader of the international multidisciplinary Jordaens Van Dyck Panel Paintings Project and the Project Leader for the establishment of the visitors centre at the Brueghel House, Brussels.

UEFA Euro 2020: The 2020 UEFA European Football Championship, commonly referred to as UEFA Euro 2020 or simply Euro 2020, will be the 16th edition of the UEFA European Championship, the quadrennial international men's football championship of Europe organized by UEFA.

2000 Summer Paralympics medal table: The medal table of the 2000 Summer Paralympics ranks the participating National Paralympic Committees (NPCs) by the number of gold medals won by their athletes during the competition.  This was the eleventh Summer Paralympic Games, a quadrennial competition open to athletes with physical and intellectual disabilities.  The Games were held in Sydney, Australia, from October 18 to October 29, 2000, the first time they had been held in the southern hemisphere.  With 3,843 athletes taking part in the 18 sports on the programme, the Games were the second largest sporting event ever held in Australia.  The location and facilities were shared with the largest event, the 2000 Summer Olympics, which concluded on 1 October.  The Games set records for athlete and country participation, tickets sold, hits to the official Games website, and medals on offer.

Elkhan Mammadov (official): Elkhan Mammadov is a General Secretary of Association of Football Federations of Azerbaijan (AFFA), Project Leader for UEFA EURO 2020 Baku Bid, Vice-President of UEFA Fair Play and Social Responsibility Committee, FIFA Fair Play and Social Responsibility Committee Member.

2008 Summer Paralympics medal table: The medal table of the 2008 Summer Paralympics ranks the participating National Paralympic Committees (NPCs) by the number of gold medals won by their athletes during the competition.  The 2008 Paralympics was the thirteenth Games to be held, a quadrennial competition open to athletes with physical and intellectual disabilities.  The games were held in Beijing, People's Republic of China, from 6 September to 17 September 2008.

Supporting paragraphs: Elkhan Mammadov (official) UEFA Euro 2020
Answer: UEFA Euro 2020