Question: What was the nickname of the UK Prime Minister that introduced the The Shops Bill 1986?

Context paragraphs:
Michael Schluter (economist): Dr Michael Schluter CBE (born 1947), is an economist, author, speaker and social entrepreneur and holds a PhD in agricultural economics.  He has founded many different organisations and led the “Keep Sunday Special Campaign” which was one of several factors which led to the defeat of the Shops Bill 1986 in its second reading.  He was appointed CBE by the Queen in the New Year Honours List 2009.

Benjamin Disraeli: Benjamin Disraeli, 1st Earl of Beaconsfield, (21 December 1804 – 19 April 1881) was a British statesman of the Conservative Party who twice served as Prime Minister of the United Kingdom, as well as a novelist.  He played a central role in the creation of the modern Conservative Party, defining its policies and its broad outreach.  Disraeli is remembered for his influential voice in world affairs, his political battles with the Liberal Party leader William Ewart Gladstone, and his one-nation conservatism or "Tory democracy".  He made the Conservatives the party most identified with the glory and power of the British Empire.  He is the only UK Prime Minister to have been of Jewish birth.

Policy Network: Policy Network is an international self-styled "progressive" think tank based in London with strong associations to the former "New Labour" UK administration led by Tony Blair.  The President of Policy Network is former UK First Secretary of State and EU Trade Commissioner Lord Mandelson; Lord Liddle, former Special Adviser to President of the European Commission José Manuel Barroso and UK Prime Minister Tony Blair, is Chairperson.

St David's Day Agreement: The St David's Day Agreement is a document which set out the proposals of UK coalition government.  It was published in the command paper "Powers for a purpose: Towards a lasting devolution settlement for Wales", also known as the "St David's Day Command Paper".  The agreement was announced on 27 February 2015, by David Cameron, the UK Prime Minister and Nick Clegg, the UK Deputy Prime Minister at the Millennium Stadium in Cardiff, Wales.

The Women's Conference: The Women's Conference (also known as the California Governor & First Lady's Conference on Women) is a nonprofit, nonpartisan US organization and annual forum for women.  The event first began in 1986 as a California government initiative for working professionals and women business owners.  Since 2004, The Women's Conference has become a large event at which people such as the Dalai Lama Tenzin Gyatso, former UK Prime Minister Tony Blair, Oprah Winfrey, Barbara Walters, Jane Fonda, Martha Stewart, Tyra Banks, Sarah, Duchess of York, Tim Russert, Deepak Chopra, Tom Brokaw, Queen Rania of Jordan, Maureen Dowd, Sandra Day O'Connor, Thomas Friedman, Anna Quindlen, and Billie Jean King have spoken.

Bob Quick (police officer): Robert "Bob" Quick, QPM MBA (born c. 1959) is a former Assistant Commissioner (Specialist Operations) of London's Metropolitan Police Service. at New Scotland Yard.  The role is a key national security post with responsibility for counter-terrorism within the United Kingdom, protection of the Queen and senior members of the British Royal Family, protection of the UK Prime Minister and Cabinet Ministers.  He also oversaw the protection of visiting Heads of State to the UK and the diplomatic community in London.

Nasaruddin Umar: Nasaruddin Umar is the founder of the Indonesian interfaith organization Masyarakat Dialog antar Umat Beragama and was vice minister (2011-2014) in the Indonesian Ministry of Religious Affairs (Departemen Agama).  He is also a member of the UK-Indonesia Advisory Team, founded by UK prime minister Tony Blair.

Shops Bill 1986: The Shops Bill 1986 was a parliamentary bill in the United Kingdom that would have ended government regulation of Sunday shopping in England and Wales.  Introduced by the government of Margaret Thatcher, it was defeated in the House of Commons at its second reading: the last time that a government bill had fallen at that stage.

Margaret Thatcher: Margaret Hilda Thatcher, Baroness Thatcher, {'1': ", '2': ", '3': ", '4': "} (née Roberts ; 13 October 1925 – 8 April 2013) was a British stateswoman who was Prime Minister of the United Kingdom from 1979 to 1990 and Leader of the Conservative Party from 1975 to 1990.  She was the longest-serving British prime minister of the 20th century and the first woman to have been appointed.  A Soviet journalist dubbed her the "Iron Lady", a nickname that became associated with her uncompromising politics and leadership style.  As Prime Minister, she implemented policies that have come to be known as Thatcherism.

Mary Wilson, Baroness Wilson of Rievaulx: Gladys Mary Wilson, Lady Wilson of Rievaulx (née Baldwin; born 12 January 1916), is an English poet and the widow of former UK Prime Minister Harold Wilson; who served from 1964 to 1970 and again from 1974 to 1976.  She is the only spouse of any Prime Minister to become a centenarian.

Supporting paragraphs: Shops Bill 1986 Margaret Thatcher
Answer: "Iron Lady"