Question: When did Burma change its name to the country that is the natural boundary between the country that hosted the tournament and the country where A Don is located?

Context paragraphs:
paragraph_text: Loyola University Chicago, coached by George Ireland, won the national title with a 60 -- 58 overtime victory in the final game, over the University of Cincinnati, coached by Ed Jucker. Art Heyman, of Duke University, was named the tournament's Most Outstanding Player. This tournament marked the last time that a city was host to two straight Final Fours.
title: 1963 NCAA University Division Basketball Tournament
paragraph_text: Russia was announced as the hosts on 2 December 2010 after the country was awarded the hosting rights of the 2018 FIFA World Cup. The matches were played in four different stadiums across four cities: Saint Petersburg, Moscow, Kazan, and Sochi. It was the first time Russia has hosted the tournament, and the third time the Confederations Cup has been held in the European continent. As hosts, Russia qualified automatically for the tournament; they were joined by the six winners of the FIFA confederation championships and the 2014 FIFA World Cup champions, Germany.
title: 2017 FIFA Confederations Cup
paragraph_text: Li Jiaman (born 18 August 1997) is a Chinese archer, who participated in the 2014 Summer Youth Olympics. She was the sole representative of the host-country China in the archery competition.
title: Li Jiaman
paragraph_text: Swiss are fans of football and the national team is nicknamed the 'Nati'. The headquarters of the sport's governing body, the International Federation of Association Football (FIFA), is located in Zürich. Switzerland hosted the 1954 FIFA World Cup, and was the joint host, with Austria, of the Euro 2008 tournament. The Swiss Super League is the nation's professional club league. For the Brasil 2014 World Cup finals tournament, the country's German-speaking cantons will be closely monitored by local police forces to prevent celebrations beyond one hour after matches end. Europe's highest football pitch, at 2,000 metres (6,600 ft) above sea level, is located in Switzerland and is named the Ottmar Hitzfeld Stadium.
title: Switzerland
paragraph_text: Moel Famau (or Moel Fama) is the highest hill within the Clwydian Range, formerly Flintshire Range, on the boundary between Denbighshire and Flintshire in Wales. The hill, which also gives its name to the Moel Famau country park, has been classed as an Area of Outstanding Natural Beauty since 1985. It is also surrounded by several well-preserved Iron Age hill forts.
title: Moel Famau
paragraph_text: 2018 FIFA World Cup Чемпионат мира по футболу 2018 (Chempionat mira po futbolu 2018) Tournament details Host country Russia Dates 14 June -- 15 July Teams 32 (from 5 confederations) Venue (s) 12 (in 11 host cities) ← 2014 2022 →
title: 2018 FIFA World Cup
paragraph_text: The FIFA Council went back and forth between 2013 and 2017 on limitations within hosting rotation based on the continental confederations. Originally, it was set that bids to be host would not be allowed from countries belonging to confederations that hosted the two preceding tournaments. It was temporarily changed to only prohibit countries belonging to the confederation that hosted the previous World Cup from bidding to host the following tournament, before the rule was changed back to its prior state of two World Cups. However, the FIFA Council did make an exception to potentially grant eligibility to member associations of the confederation of the second - to - last host of the FIFA World Cup in the event that none of the received bids fulfill the strict technical and financial requirements. In March 2017, FIFA president Gianni Infantino confirmed that ``Europe (UEFA) and Asia (AFC) are excluded from the bidding following the selection of Russia and Qatar in 2018 and 2022 respectively. ''Therefore, the 2026 World Cup could be hosted by one of the remaining four confederations: CONCACAF (North America; last hosted in 1994), CAF (Africa; last hosted in 2010), CONMEBOL (South America; last hosted in 2014), or OFC (Oceania, never hosted before), or potentially by UEFA in case no bid from those four met the requirements.
title: 2026 FIFA World Cup
paragraph_text: In 1988, unrest over economic mismanagement and political oppression by the government led to widespread pro-democracy demonstrations throughout the country known as the 8888 Uprising. Security forces killed thousands of demonstrators, and General Saw Maung staged a coup d'état and formed the State Law and Order Restoration Council (SLORC). In 1989, SLORC declared martial law after widespread protests. The military government finalised plans for People's Assembly elections on 31 May 1989. SLORC changed the country's official English name from the "Socialist Republic of the Union of Burma" to the "Union of Myanmar" in 1989.
title: Myanmar
paragraph_text: The 1986 FIFA World Cup, the 13th FIFA World Cup, was held in Mexico from 31 May to 29 June 1986. The tournament was the second to feature a 24 - team format. With European nations not allowed to host after the previous World Cup in Spain, Colombia had been originally chosen to host the competition by FIFA but, largely due to economic reasons, was not able to do so and officially resigned in 1982. Mexico was selected as the new host in May 1983. This was the third FIFA World Cup tournament in succession that was hosted by a Hispanophonic country, after Spain in 1982, and Argentina in 1978.
title: 1986 FIFA World Cup
paragraph_text: Of the 47 AFC member associations, a total of 44 teams entered the competition. The final tournament hosts Thailand decided to participate in qualification despite having automatically qualified for the final tournament.
title: 2020 AFC U-23 Championship qualification
paragraph_text: The men's tournament in ice hockey at the 2018 Winter Olympics was held in Gangneung, South Korea between 14 and 25 February 2018. Twelve countries qualified for the tournament; eight of them did so automatically by virtue of their ranking by the International Ice Hockey Federation, one, South Korea, automatically qualified as hosts, while the three others took part in a qualification tournament.
title: Ice hockey at the 2018 Winter Olympics – Men's tournament
paragraph_text: The tournament was won by host country France, who beat defending champions Brazil 3 -- 0 in the final. France won their first title, becoming the seventh nation to win a World Cup, and the sixth (after Uruguay, Italy, England, West Germany and Argentina) to win the tournament on home soil. Croatia, Jamaica, Japan and South Africa made their first appearances in the finals.
title: 1998 FIFA World Cup
paragraph_text: Sri Lanka as a co-host of the 1996 Cricket World Cup was the first host to win the tournament though the final was held in Pakistan. India won in 2011 as host and was the first team to win in a final played in their own country. Australia repeated the feat in 2015. England is the only other host to have made the final, in 1979. Other countries which have achieved or equalled their best World Cup results while co-hosting the tournament are New Zealand as finalists in 2015; Zimbabwe who reached the Super Six in 2003; and Kenya as semi-finalists in 2003. In 1987, co-hosts India and Pakistan both reached the semi-finals, but were eliminated by Australia and England respectively. Australia in 1992, England in 1999, South Africa in 2003, and Bangladesh in 2011 have been the host teams that were eliminated in the first round.
title: Cricket World Cup
paragraph_text: In English, the country is popularly known as either "Burma" or "Myanmar" i/ˈmjɑːnˌmɑːr/. Both these names are derived from the name of the majority Burmese Bamar ethnic group. Myanmar is considered to be the literary form of the name of the group, while Burma is derived from "Bamar", the colloquial form of the group's name. Depending on the register used, the pronunciation would be Bama (pronounced: [bəmà]) or Myamah (pronounced: [mjəmà]). The name Burma has been in use in English since the 18th century.
title: Myanmar
paragraph_text: Beaverdell is an unincorporated settlement in the Monashee Country of the Southern Interior of British Columbia, Canada, which lies to the east of the Okanagan Valley and north of the Boundary Country region. It is located midway along the West Kettle River between Kelowna and Rock Creek along British Columbia Highway 33.
title: Beaverdell
paragraph_text: A Don is a village in south-eastern Laos near the border with Vietnam. It is located in Kaleum District in Sekong Province.
title: A Don
paragraph_text: The event returned in 2015, being played at Woburn and hosted by golfer Ian Poulter. The 2016 edition was played at The Grove and hosted by Luke Donald. The 2017 tournament was played at Close House Golf Club and hosted by Lee Westwood. The 2018 tournament was played at Walton Heath Golf Club and hosted by Justin Rose.
title: British Masters
paragraph_text: The official English name was changed by the country's government from the ``Union of Burma ''to the`` Union of Myanmar'' in 1989, and still later to the ``Republic of the Union of Myanmar '', which since then has been the subject of controversies and mixed incidences of adoption.
title: Names of Myanmar
paragraph_text: The first World Cup was organised in England in June 1975, with the first ODI cricket match having been played only four years earlier. However, a separate Women's Cricket World Cup had been held two years before the first men's tournament, and a tournament involving multiple international teams had been held as early as 1912, when a triangular tournament of Test matches was played between Australia, England and South Africa. The first three World Cups were held in England. From the 1987 tournament onwards, hosting has been shared between countries under an unofficial rotation system, with fourteen ICC members having hosted at least one match in the tournament.
title: Cricket World Cup
paragraph_text: Myanmar (also known as Burma) is the northwestern-most country of mainland Southeast Asia, bordering China, India, Bangladesh, Thailand and Laos. It lies along the Indian and Eurasian Plates, to the southeast of the Himalayas. To its west is the Bay of Bengal and to its south is the Andaman Sea. It is strategically located near major Indian Ocean shipping lanes.
title: Geography of Myanmar

Reasoning steps:
Who hosted the tournament? >>>> Thailand
A Don >> country >>>> Laos
what natural boundary lies between Thailand and Laos >>>> Myanmar
when did burma change its name to Myanmar >>>> 1989

Answer: spans: 1989