Question: Which  British politician from Northern Ireland who is a Democratic Unionist Party Member of Parliament for East Antrim represents the constituency known as East Antrim?

full_context: Document 1: Tom Elliott (politician): Thomas Beatty Elliott (born 11 December 1963) is a United Kingdom politician who was a Member of the Northern Ireland Assembly (MLA) for Fermanagh and South Tyrone from 2003–15, its Member of Parliament (MP) from 2015–17 and was the Leader of the Ulster Unionist Party from 2010–12.
Document 2: 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 3: 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 4: Ulster Unionist Party leadership election, 2000: The 2000 Ulster Unionist Party leadership election was triggered by the decision of Martin Smyth to challenge incumbent David Trimble over the party's direction in the implementation of the Belfast Agreement at the party's annual general meeting on 25 March 2000. The UUP has held a leadership election every March since at least the Ulster Unionist Council constitution was altered in 1973, however it is rarely contested. This is one of the few occasions when it has been contested.
Document 5: East Antrim by-election, 1986: The 1986 East Antrim by-election was one of the fifteen 1986 Northern Ireland by-elections held on 23 January 1986, to fill vacancies in the Parliament of the United Kingdom caused by the resignation in December 1985 of all sitting Unionist Members of Parliament (MPs). The MPs, from the Ulster Unionist Party, Democratic Unionist Party and Ulster Popular Unionist Party, did this to highlight their opposition to the Anglo-Irish Agreement. Each of their parties agreed not to contest seats previously held by the others, and each outgoing MP stood for re-election.
Document 6: Ulster Unionist Party: The Ulster Unionist Party (UUP) is a unionist political party in Northern Ireland. Having gathered support in Northern Ireland during the late-nineteenth and early-twentieth centuries, the party governed Northern Ireland between 1921 and 1972. It was supported by most unionist voters throughout the conflict known as the Troubles, during which time it was often referred to as the Official Unionist Party (OUP). Between 1905-1972 its MPs took the Conservative whip at Westminster.
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: John Stewart (Northern Ireland politician): John Stewart (born 9 April 1983) is a Northern Irish Unionist politician, businessman, and soldier. Since 2017, he has been an Ulster Unionist Party Member of the Northern Ireland Assembly (MLA) for East Antrim.
Document 9: East Antrim (UK Parliament constituency): East Antrim is a constituency represented in the House of Commons of the UK Parliament since 2005 by Sammy Wilson, a member of the Democratic Unionist Party. The constituency has voted for unionist candidates since its re-creation in 1983.
Document 10: Stewart Dickson: Stewart Dickson is an Alliance Party of Northern Ireland politician and was a member of the Northern Ireland Assembly, where he represented East Antrim. He sought re-election on the 2nd of March 2017 in a snap election that was called to the Renewable Heat Incentive (RHI) scandal and was re-elected to the Assembly as one of five MLAs for this constituency.
Document 11: Rob Wilson: Robert Owen Biggs Wilson (born 4 January 1965) is a United Kingdom politician and political author. He was elected Conservative Member of Parliament for the Reading East parliamentary constituency in the 2005 general election, being re-elected in the elections of 2010 and 2015, before being defeated in 2017. He became Minister for Civil Society in the Cabinet Office on 27 September 2014.
Document 12: Sammy Wilson (politician): Samuel Wilson (born 4 April 1953) is a British politician from Northern Ireland who is a Democratic Unionist Party (DUP) Member of Parliament (MP) for East Antrim. He served as a Member of the Legislative Assembly (MLA) for Belfast East from 1998 until 2003 and for East Antrim from 2003 until 2015. He served as Lord Mayor of Belfast in 1986 – 1987 and again from June 2000 to June 2001, the first person from the DUP to hold the office. He has also served as Minister of Finance and Personnel and Minister of the Environment in the Northern Ireland Executive.
Document 13: Electoral history of the Ulster Unionist Party: The Ulster Unionist Party held the majority of Northern Ireland seats in most elections for the Westminster Parliament between 1922 and 2001. Since then its representation has been low or non-existent, having been eclipsed by the Democratic Unionist Party. It always had an absolute majority in the Stormont Parliament (1921–1972); since that Parliament was replaced by the Northern Ireland Assembly it has had a substantial minority representation there. Its share of the vote in Northern Ireland local government elections has tended to diminish, so that there too it is no longer the largest party. Finally, the party has always held one of the three Northern Ireland seats in the European Parliament. Its share of the Northern Ireland vote in the most recent elections to these bodies has been between 10.5% (Westminster 2017) and 16.1% (local government, 2014).
Document 14: 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 15: Ulster Unionist Party leadership election, 2004: The 2004 Ulster Unionist Party leadership election was triggered by the decision of a group of UUP members to challenge incumbent leader David Trimble over the party's direction following the 2003 Northern Ireland Assembly elections at the party's annual general meeting on 27 March 2004. The UUP has held a leadership election every March since at least the Ulster Unionist Council constitution was altered in 1973, however it is rarely contested. This is one of the few occasions when it has been contested.
ground_truth: Sammy Wilson