Question:  General Purpose Frigate was cancelled under this Canadian scholar, statesman, soldier and diplomat, who won the Nobel Peace Prize in what year?

Context paragraphs:
Type 31e frigate: The Type 31e frigate, also known as the Type 31 frigate or General Purpose Frigate (GPFF), is a planned class of frigate for the United Kingdom's Royal Navy intended to enter service in the 2020s alongside the more advanced Type 26 frigate.

Albert Lutuli: Inkosi Albert John Lutuli (commonly spelled Luthuli; c. 1898 – 21 July 1967), also known by his Zulu name Mvumbi, was a South African teacher, activist, Nobel Peace Prize winner, and politician.  Luthuli was elected president of the African National Congress (ANC) in 1952, at the time an umbrella organisation that led opposition to the white minority government in South Africa, and served until his accidental death.  He was awarded the 1960 Nobel Peace Prize for his role in the non-violent struggle against apartheid.  He was the first African, and the first person from outside Europe and the Americas, to be awarded the Nobel Peace Prize.

2016 Nobel Peace Prize: The 2016 Nobel Peace Prize was awarded to the President of Colombia Juan Manuel Santos "for his resolute efforts to bring the country’s more than 50-year-long civil war to an end, a war that has cost the lives of at least 220,000 Colombians and displaced close to six million people."  The conflict is the longest running war, and last remaining guerrilla struggle, in the Americas.  The Nobel Peace Prize is awarded annually to those who have "done the most or the best work for fraternity between nations, for the abolition or reduction of standing armies and for the holding and promotion of peace congresses".  The announcement was made on 7 October at a press conference at the Nobel Peace Center, and the formal award ceremony took place on 10 December at the Oslo City Hall.

Lester B. Pearson: Lester Bowles "Mike" Pearson (23 April 1897 – 27 December 1972) was a Canadian scholar, statesman, soldier and diplomat, who won the Nobel Peace Prize in 1957 for organizing the United Nations Emergency Force to resolve the Suez Canal Crisis.  He was the 14th Prime Minister of Canada from 22 April 1963 to 20 April 1968, as the head of two back-to-back Liberal minority governments following elections in 1963 and 1965.

General Purpose Frigate (Canada): The General Purpose Frigate, or GPF, was a procurement project for the Royal Canadian Navy during the Cold War.  The class was also known as the Tribal-class frigate.  Intended as a replacement for the Second World War-era destroyers in service at the time, the frigate design was developed for the Progressive Conservative Diefenbaker government in the late 1950s as part of the general fleet renewal program.  The GPF program was cancelled under the Liberal Pearson government as part of their plan to reshape the Canadian Armed Forces.  Following the cancellation, a modified version of the design was used for the "Iroquois"-class destroyer s.

Dawn Engle: Dawn Engle is the co-founder and executive director of the non-profit organization, the PeaceJam Foundation.  The PeaceJam program was launched in February 1996 by co-founders Dawn Engle and Ivan Suvanjieff to provide the Nobel Peace Prize Laureates with a programmatic vehicle to use in working together to teach youth the art of peace.  To date, 14 Nobel Peace Laureates, including the Dalai Lama, Archbishop Desmond Tutu, Rigoberta Menchú Tum, President Oscar Arias, Adolfo Pérez Esquivel, Mairead Corrigan Maguire, Betty Williams, President José Ramos-Horta, Tawakkol Karman, Sir Joseph Rotblat (Emeritus), Leymah Gbowee, Jody Williams, Kailash Satyarthi, and Shirin Ebadi, serve as members of the PeaceJam Foundation.  To date, over one million young people from 39 countries around the world have participated in the year long, award-winning PeaceJam curricular program.  Engle and her husband Ivan Suvanjieff have been nominated for the Nobel Peace Prize fifteen times, and they were leading contenders for the 2015 Nobel Peace Prize.  Engle is the co-director of multiple documentaries, including "PEACEJAM," and co-author of the book, "PeaceJam: A Billion Simple Acts of Peace" that was published by Penguin in 2008.  She has also directed the award-winning documentary films, "Children of the Light," "", "Daughter of the Maya", and "Without A Shot Fired" which are the first four films in PeaceJam's Nobel Legacy Film Series.

F-22P Zulfiquar-class frigate: The F-22P or "Zulfiquar"-class frigate (Urdu: ذوالفقار ‎ English: Sword class ), is a general purpose frigate built by Pakistan under license from China for the Pakistan Navy (PN).  They are an adaptation of the Type 053H3 frigates of China but include elements of the Type 054 frigates as well.

World Summit of Nobel Peace Laureates: The World Summit of Nobel Peace Laureates was initiated by Mikhail Gorbachev in the 90s, as a forum in which the Nobel Peace Laureates and the Peace Laureate Organizations could come together to address global issues with a view to encourage and support peace and human well being in the world.  Its Permanent Secretariat is an independent, non-profit, ECOSOC non-governmental organization, based in Rome, operating on a permanent basis.  A permanent staff, mainly composed of volunteers, promotes the work of the Nobel Peace Prize Winners and organizes the World Summit of Nobel Peace Laureates on a yearly basis.  To date, the Permanent Secretariat has organized 16 Summits, the most recent having been held in February 2017 in the city of Bogota, Colombia.  This was the first time that the Summit took place in Latin America.

Hanna Kvanmo: Hanna Kristine Kvanmo (June 14, 1926 – June 23, 2005) was a Norwegian politician for the Socialist Left Party.  She served as a Member of Parliament from 1973 to 1989, representing the county of Nordland, as the first parliamentary leader of the Socialist Left Party 1977–1989, and as a member of the Norwegian Nobel Committee, the five-member committee awarding the Nobel Peace Prize, from 1991 to 2002.  From 1993 to 1998, she was the Nobel committee's vice chair.  During her term on the Nobel committee, she was responsible for the decisions to award the Nobel Peace Prize to individuals such as Aung San Suu Kyi, Nelson Mandela, Yasser Arafat and Kofi Annan.  By profession, she was a teacher.

Irwin Abrams: Irwin Martin Abrams (February 24, 1914 – December 16, 2010) was a long-time professor of history at Antioch College, a pioneer in the field of peace research, and a global authority on the Nobel Peace Prize.  His book, "The Nobel Peace Prize and the Laureates", first published in 1988 and subsequently updated and revised, is regarded as the authoritative reference work on the subject.  His other books included "Words of Peace", which brought together selections from the acceptance speeches of Nobel Peace Prize laureates, and five volumes of "Nobel Lectures in Peace".

Supporting paragraphs: General Purpose Frigate (Canada) Lester B. Pearson
Answer: 1957