Question: Leona Theron was appointed to her court position by which President of hte African National Congress?

full_context: Document 1: Leona Theron: Leona Valerie Theron (born 7 November 1966 in Durban) is a judge on the Constitutional Court of South Africa and formerly of the Supreme Court of Appeal. She was first appointed to the bench in 1999, aged 33, becoming the first black woman judge on the KwaZulu-Natal High Court. She was appointed to the Constitutional Court on 1 July 2017 by President Jacob Zuma to replace recently retired Johann van der Westhuizen.
Document 2: Terence Nombembe: Terence Mncedisi Nombembe (born 30 September 1961 in Qumbu, Eastern Cape) is a qualified Chartered accountant who served as Auditor General of South Africa from 2006 to 2013.. During his tenure as Auditor General, Nombembe gained a reputation for integrity. An outspoken critic of corruption, he has been called the commercial equivalent of former Public Protector Advocate Thuli Madonsela.. In August 2017, Nombembe was re-appointed as Non-Executive Director of the South African Reserve Bank.He is currently the chief executive officer of the South African Institute of Chartered Accountants..
Document 3: Lynne Brown: Lynne Brown (born 26 September 1961) is the Minister of Public Enterprises and former Premier of the Western Cape province in South Africa. She was born in Cape Town and grew up in Mitchell's Plain. She was appointed Premier of the Western Cape following the resignation of Ebrahim Rasool in July 2008. Previously, she was Minister for Economic Development and Tourism. She is a member of the African National Congress and elected member of its National Executive Committee in 2007 and 2012. Like her predecessor Ebrahim Rasool she is also from a coloured background. She is the fourth coloured premier of the Western Cape, and the second from the African National Congress, and is believed the first openly gay person to be appointed to a cabinet post in any African government.
Document 4: Constitutional Court of South Africa: The Constitutional Court of South Africa is a supreme constitutional court established by the Constitution of South Africa. It was originally the final appellate court for constitutional matters. Since the enactment of the Superior Courts Act in 2013, the Constitutional Court has jurisdiction to hear any matter if it is in the interests of justice for it to do so.
Document 5: Mangosuthu Buthelezi: Mangosuthu Buthelezi (born 27 August 1928) is a South African politician and Zulu tribal leader who founded the Inkatha Freedom Party (IFP) in 1975 and was Chief Minister of the KwaZulu bantustan until 1994. He was Minister of Home Affairs of South Africa from 1994 to 2004. His praise name is Shenge.
Document 6: Presidency of Nelson Mandela: Nelson Mandela, an anti-apartheid activist, lawyer, and former political prisoner, was elected to the presidency of South Africa in 1994, following which he served one term in office (1994–99). He was the first non-white head of state in South African history, as well as the first to take office following the dismantling of the apartheid system and the introduction of multiracial democracy. Mandela was also the oldest head of state in South Africa's history, taking office at the age of seventy-five.
Document 7: Cabinet of Nelson Mandela: Nelson Mandela took oath as President of South Africa on 10 May 1994 and announced his cabinet on 11 May 1994. The cabinet included members of Mandela's African National Congress, National Party and Inkatha Freedom Party, as it was required by law that all parties winning more than 20 seats in the parliament be given representation in the cabinet.
Document 8: Jacob Zuma: Jacob Gedleyihlekisa Zuma (born 12 April 1942) is a South African politician. He has served as the President of South Africa since 2009. Zuma is the President of the African National Congress (ANC), the governing political party, and was Deputy President of South Africa from 1999-2005.
Document 9: Cyril Ramaphosa: Matamela Cyril Ramaphosa (born 17 November 1952) is a South African politician, businessman, activist, and trade union leader who has served as the Deputy President of South Africa under President Jacob Zuma since 2014. He was elected as Deputy President of the African National Congress (ANC) at the ANC National Conference in Mangaung in December 2012. He is also the Chairman of the National Planning Commission, which is responsible for strategic planning for the future of South Africa, with the goal of rallying the nation "around a common set of objectives and priorities to drive development over the longer term".
Document 10: Clarence Thomas: Clarence Thomas (born June 23, 1948) is an American judge, lawyer, and government official who currently serves as an Associate Justice of the Supreme Court of the United States. Thomas succeeded Thurgood Marshall and is the second African American to serve on the court.
Document 11: Julius Malema: Julius Sello Malema (born 3 March 1981) is the leader of the Economic Freedom Fighters, a South African political party, which he founded in July 2013. He previously served as President of the African National Congress Youth League from 2008 to 2012. Malema was a member of the ANC until his expulsion from the party in April 2012. He occupies a notably controversial position in South African public and political life, having risen to prominence with his support for African National Congress president, and later President of South Africa, Jacob Zuma. He has been described by both Zuma and the Premier of Limpopo Province as the "future leader" of South Africa. Less favourable portraits paint him as a "reckless populist" with the potential to destabilise South Africa and to spark racial conflict.
Document 12: Minister of Agriculture and Land Affairs: The Minister of Agriculture and Land Affairs was, from 1996 to 2009, a Minister of the Cabinet of South Africa, with responsibility for the Departments of Agriculture and Land Affairs. The portfolio was created in 1996 when the positions of Minister of Agriculture and Minister of Land Affairs were merged. In the 2009 cabinet reorganization after the election of President Jacob Zuma, the portfolio's responsibilities were divided and transferred to the Minister of Agriculture, Forestry and Fisheries and the Minister of Rural Development and Land Reform.
Document 13: Daniel Theron: Daniël Johannes Stephanus "Danie" Theron, (9 May 1872 - 5 September 1900) was a Boer Army military leader. Born in Tulbagh, Cape Colony, he was raised in Bethlehem, Orange Free State. He is best known as the driving force behind the formation of a military bicycle corps used by the Boer Army for scouting and relaying messages. Originally trained as a school teacher, he became a lawyer and notary with his own law firm in Krugersdorp, Transvaal Republic, and was made a Captain in the Boer Army when the Second Boer War began. During the war, he was put in charge of a significant scouting unit, the "Theron se Verkenningskorps (TVK)" (Theron Reconnaissance Corps). He fought at the Battle of Paardeberg and one of his most famous feats occurred at the Battle of Spion Kop. The British Commander in Chief, Lord Roberts, called Theron: "the hardest thorn in the flesh of the British advance", put a reward of £1,000 on his head - dead or alive, and dispatched 4,000 soldiers to find and eliminate the TVK.
Document 14: Gauteng Division: The Gauteng Division of the High Court of South Africa is a superior court of law which has, at present, general jurisdiction over the South African provinces of Gauteng, Mpumalanga and Limpopo, and the eastern part of North West province. The main seat of the division is at Pretoria, while a local seat at Johannesburg has concurrent jurisdiction over the southern parts of Gauteng. Dunstan Mlambo has been the Judge President of the division since 1 November 2012.
Document 15: Inkatha Freedom Party: The Inkatha Freedom Party (IFP) is a political party in South Africa. Since its founding, it has been led by Mangosuthu Buthelezi. It is currently the fourth largest party in the National Assembly of South Africa, having lost almost half its seats and votes in the 2014 general election and yielding third place to the newly formed Economic Freedom Fighters.
ground_truth: Jacob Gedleyihlekisa Zuma