Question: In November 2006, Ivan Foster challenged a politician that was born in what year ?

full_context: Document 1: Ian Paisley: Ian Richard Kyle Paisley, Baron Bannside, PC (6 April 1926 – 12 September 2014) was a loyalist politician and Protestant religious leader from Northern Ireland.
Document 2: Ulster Unionist Party leadership election, 1979: The Ulster Unionist Party leadership election of 1979 saw James Molyneaux succeed Harry West as leader on 7 September. At a specially convened meeting of the Ulster Unionist Council at the Ulster Hall, Belfast in early September, Molyneaux (MP for South Antrim) beat Reverend Robert Bradford (MP for Belfast South) by a three to one majority (with Austin Ardill coming a distant third). Molyneaux had previously been parliamentary leader of the United Ulster Unionist Council since 22 October 1974 (West had lost his seat in that month's general election).
Document 3: Ian Gow: Ian Reginald Edward Gow, {'1': ", '2': ", '3': ", '4': "} ( ; 11 February 1937 – 30 July 1990) was a British Conservative politician and solicitor. While serving as Member of Parliament (MP) for Eastbourne, he was assassinated by the Provisional Irish Republican Army (IRA), who exploded a bomb under his car outside his home in East Sussex. He was the last of a series of British politicians to be assassinated by the IRA, and the most recent sitting MP to be killed before the June 2016 murder of Jo Cox.
Document 4: Rhonda Paisley: Rhonda Paisley (born 1960) is an author, and former politician from Northern Ireland. She is the second daughter of the late Democratic Unionist Party (DUP) leader and Northern Ireland's former First Minister Ian Paisley, is unmarried, and lives with her mother in the family home. She attended Bob Jones University in the United States (the same institution from which her father received his honorary degree), where she was awarded a BA in Fine Art.
Document 5: Bernadette Devlin McAliskey: Josephine Bernadette McAliskey (née Devlin; born 23 April 1947), usually known as Bernadette Devlin or Bernadette McAliskey, is an Irish civil rights leader and former politician. She served as Member of Parliament for Mid Ulster from 1969 to 1974.
Document 6: Arlene Foster: Arlene Isabel Foster MLA PC ("née" Kelly; born 3 July 1970) is a Northern Irish politician who has been the leader of the Democratic Unionist Party since December 2015 and the Member of the Northern Ireland Assembly for Fermanagh and South Tyrone since 2003.
Document 7: George Dawson (Northern Ireland politician): George Dawson (10 May 1961 – 7 May 2007) was a Northern Irish politician and a member of the Democratic Unionist Party (DUP) since 1979. He was an MLA for East Antrim from November 2003 until his death following a short battle with cancer. He was seen as a potential member of the power-sharing executive of the first minister, the DUP leader Ian Paisley, whose evangelical Protestant and strong unionist beliefs he shared.
Document 8: Martin Smyth: Reverend William Martin Smyth (born 15 June 1931) is a Northern Irish unionist politician, and was Ulster Unionist Party Member of Parliament for Belfast South from 1982 to 2005. He was a Vice-President of the Conservative Monday Club.
Document 9: John McCallister: John McCallister (born 20 February 1972) is a Northern Irish Unionist politician. In 2007, was elected to the Northern Ireland Assembly as an Ulster Unionist Party (UUP) member for South Down. On 14 February 2013, McCallister announced that he had resigned from the UUP due to its decision to engage in an electoral pact with the Democratic Unionist Party. He was a co-founder of the NI21 party with fellow ex-UUP member Basil McCrea but resigned the following year following disputes with McCrea. He re-contested his seat as an Independent at the 2016 election but lost his seat, receiving just 2.8% of the vote.
Document 10: Ivan Cooper: Ivan Averill Cooper (born January 1944) is a former politician from Northern Ireland who was a member of the Parliament of Northern Ireland, and a founding member of the SDLP. He is best known for leading an anti-internment march which developed into the Bloody Sunday massacre on 30 January 1972, in Derry, Northern Ireland.
Document 11: Martin McGuinness: James Martin Pacelli McGuinness (Irish: "Séamus Máirtín Pacelli Mag Aonghusa" ; 23 May 1950 – 21 March 2017) was an Irish republican and Sinn Féin politician who was the deputy First Minister of Northern Ireland from May 2007 to January 2017.
Document 12: Ivan Foster: Ivan Foster (born 1943) is a retired senior minister in the Free Presbyterian Church of Ulster and a former Democratic Unionist Party politician. He is a lifelong friend and associate of the Democratic Unionist politician and Free Presbyterian Church leader Ian Paisley. But in November 2006, he became the most prominent Free Presbyterian to openly challenge Ian Paisley's decision to enter into a power-sharing government with Sinn Féin and went on to denounce Ian Paisley from the pulpit of his church in January 2007.
Document 13: Terence O'Neill: Terence Marne O'Neill, Baron O'Neill of the Maine, PC (10 September 1914 – 12 June 1990) was the fourth Prime Minister of Northern Ireland and leader (1963–1969) of the Ulster Unionist Party (UUP). A moderate unionist, who sought to reconcile the sectarian divisions in Northern Ireland society, he was Member of the Parliament of Northern Ireland for the Bannside constituency from 1946 until his forced resignation in April 1969 as communal conflict erupted; his successor in Parliament was Ian Paisley, while control of the UUP also passed to more hard-line elements.
Document 14: Andy Robinson (loyalist): Andrew Robinson is a Northern Irish former loyalist paramilitary leader. Robinson held the rank of "Brigadier" in the Ulster Defence Association (UDA) and was leader of the organisation's North Antrim and Londonderry Brigade as well as a member of the UDA's Inner Council.
Document 15: Vanguard Unionist Progressive Party: The Vanguard Unionist Progressive Party (VUPP), informally known as Ulster Vanguard, was a unionist political party which existed in Northern Ireland between 1972 and 1978. Led by William Craig, the party emerged from a split in the Ulster Unionist Party (UUP) and was closely affiliated with several loyalist paramilitary groups. The presence of features such as an honour guard and a common salute led opponents to accuse it of being fascist. The party was set up in opposition to power sharing with Irish nationalist parties. It opposed the Sunningdale Agreement and was involved in extra-parliamentary activity against the agreement. However, in 1975, during discussions on the constitutional status of Northern Ireland in the constitutional convention, William Craig suggested the possibility of voluntary power sharing with the nationalist Social Democratic and Labour Party. In consequence the party split, with dissenters forming the United Ulster Unionist Party. Thereafter Vanguard declined and following poor results in the 1977 local government elections, Craig merged the remainder of Vanguard into the UUP in February 1978.
ground_truth: 1926