Question: The Shadow Home Secretary post is currently held by which former MP from Hackney North?

full_context: Document 1: Home Office under Theresa May: The Home Office under Theresa May refers to the period during which British Prime Minister Theresa May served as Home Secretary. As a member of David Cameron's first government May was appointed as Home Secretary on 12 May 2010, shortly after Cameron became prime minister, and continued in the post as part of the second Cameron ministry following the 2015 general election. She held the post until she succeeded Cameron as prime minister on 13 July 2016.
Document 2: Shadow Secretary of State for Northern Ireland: The Shadow Secretary of State for Northern Ireland is a member of the UK Shadow Cabinet responsible for the scrutiny of the Secretary of State for Northern Ireland and his department, the Northern Ireland Office. The post is currently held by Owen Smith, following a Shadow Cabinet reshuffle by leader Jeremy Corbyn. The holder is assisted by shadow ministers in the Commons and in the Lords.
Document 3: Minister for Policing: The Minister of State for Policing, Fire and Criminal Justice is a ministerial position held jointly at the Home Office and the Ministry of Justice in the Government of the United Kingdom. Conservative MP Mike Penning held the portfolio between July 2014 and July 2016. He was promoted by new Prime Minister Theresa May in 2016, with his successor announced as Brandon Lewis. The post was created by the splitting of the now-defunct office of the Minister for Security, Counter-Terrorism, Crime and Policing into two new ministerial posts: Security & Counter-Terrorism and Crime & Policing. From January 2016 onwards the Minister is responsible for the portfolio for Fire and Rescue Services.
Document 4: Shadow Secretary of State for Transport: The Shadow Secretary of State for Transport is a post that has been consistently held by a member of the Official Opposition Shadow Cabinet since May 1979. The Shadow Secretary helps hold the Transport Secretary and junior ministers to account and is the lead spokesperson on transport matters for his or her party. Should the relevant party take office, the Shadow Secretary would be a likely candidate to become Transport Secretary.
Document 5: Labour Party (UK) Shadow Cabinet election, 1993: Elections to the Labour Party's Shadow Cabinet took place in October 1993, at the beginning of the 1993/4 session of parliament. Under the rules then in effect, the Commons members of the Parliamentary Labour Party elected 18 members of the Official Opposition Shadow Cabinet, who were then assigned portfolios by the leader. The Commons members of the PLP separately elected the Chief Whip, and the Labour peers elected the Leader of the Opposition in the House of Lords. In addition, the Leader of the Labour Party and Deputy Leader (John Smith and Margaret Beckett, respectively) were members by virtue of those offices. The 18 elected members of the Shadow Cabinet were the ones with the largest number of votes. Beginning with this election, MPs were required to vote for at least four women, but women were no longer guaranteed three places in the Shadow Cabinet.
Document 6: Shadow Secretary of State for International Trade: In British politics, the Shadow Secretary of State for International Trade is a position within the opposition's shadow cabinet that deals with issues surrounding UK trade negotiations. If elected, the person designated as Shadow Secretary of State may be slated to serve as the new Secretary of State. The incumbent has been Barry Gardiner 20 July 2016.
Document 7: Shadow Foreign Secretary: In British politics, the shadow foreign secretary is a position within the opposition's shadow cabinet that deals mainly with issues surrounding the Foreign Office. If elected, the person designated as shadow foreign secretary may be slated to serve as the new Foreign Secretary.
Document 8: Shadow Home Secretary: In British politics, the Shadow Home Secretary is the person within the shadow cabinet who 'shadows' the Home Secretary; this effectively means scrutinising government policy on home affairs including policing, national security, immigration, the criminal justice system, the prison service, and matters of citizenship. If the opposition party is elected to government, the Shadow Home Secretary often becomes the new Home Secretary though this is not always the case. The office has been held by Labour MP Diane Abbott since 6 October 2016.
Document 9: Ashton-under-Lyne (UK Parliament constituency): Ashton-under-Lyne is a constituency centred on the town of Ashton-under-Lyne that is represented in the House of Commons of the UK Parliament since 2015 by Angela Rayner of the Labour Party, who has served as Shadow Secretary of State for Education since 1 July 2016 and Shadow Minister for Women and Equalities since 27 June 2016.
Document 10: Shadow Secretary of State for Justice: In British politics the Shadow Secretary of State for Justice is the member of the Shadow Cabinet who shadows the Secretary of State for Justice, an office which has existed since 2007. Prior to 2007, the office was known as Shadow Secretary of State for Constitutional Affairs. The current Shadow Secretary of State for Justice is  Richard Burgon, who replaced Lord Falconer of Thoroton of the Labour Party, when Falconer resigned due to a loss of confidence of the leadership of Jeremy Corbyn.
Document 11: Shadow Secretary of State for Education: The Shadow Secretary of State for Education, also called the Shadow Education Secretary, is an office in the Official Opposition Shadow Cabinet responsible for Opposition policy on Education and for holding the Secretary of State for Education, junior Education ministers, and the Department for Education to account. The position is held by Angela Rayner.
Document 12: Shadow First Secretary of State: The Shadow First Secretary of State is a position in the United Kingdom's Shadow Cabinet that was created on 11 May 2015 by the Leader of the Opposition, Harriet Harman for her interim shadow cabinet. Prior to 2015, the office was known as Shadow Deputy Prime Minister of the United Kingdom. Even though the role has no specific responsibilities attached to it, the holder of the position shadows the First Secretary of State and deputises for the Leader of the Opposition in Prime Minister's Questions when the First Secretary is deputising for the Prime Minister. The current holder is Emily Thornberry who was appointed on 14 June 2017.
Document 13: Heidi Alexander: Heidi Alexander (born 17 April 1975) is a British Labour Party politician who has been the Member of Parliament (MP) for Lewisham East since the 2010 general election. She was appointed Shadow Secretary of State for Health on 13 September 2015. She resigned from the shadow cabinet on 26 June 2016.
Document 14: Harriet Harman: Harriet Ruth Harman, {'1': ", '2': ", '3': ", '4': "} (born 30 July 1950) is a British solicitor and Labour Party politician who has been a Member of Parliament (MP) since 1982, first for Peckham, and then for its successor constituency of Camberwell and Peckham since 1997. She has served in various Cabinet and Shadow Cabinet positions and, in her role as Deputy Leader of the Labour Party, she was twice the Acting Leader of the Labour Party and Leader of the Opposition: from May to September 2010 and from May to September 2015. She remains the only politician to have held this position on two separate occasions.
Document 15: Diane Abbott: Diane Julie Abbott (born 27 September 1953) is a British Labour Party politician who was appointed Shadow Home Secretary in October 2016. She was first elected as the Member of Parliament (MP) for Hackney North and Stoke Newington at the 1987 general election, when she became the first black woman to hold a seat in the House of Commons.
ground_truth: Diane Julie Abbott