Question: When did the torch arrive in the birthplace of Kim Il-chol?

full_context: Document 1: Kim Pyong-il: Kim Pyong-il (; born 10 August 1954) is the younger paternal half-brother of the former leader of North Korea, Kim Jong-il, and the only surviving son of former leader and president of North Korea Kim Il-sung. He is the current ambassador of North Korea to the Czech Republic.
Document 2: 2008 Summer Olympics torch relay: After being lit at the birthplace of the Olympic Games in Olympia, Greece on March 24, the torch traveled to the Panathinaiko Stadium in Athens, and then to Beijing, arriving on March 31. From Beijing, the torch was following a route passing through six continents. The torch has visited cities along the Silk Road, symbolizing ancient links between China and the rest of the world. The relay also included an ascent with the flame to the top of Mount Everest on the border of Nepal and Tibet, China from the Chinese side, which was closed specially for the event.
Document 3: 2008 Summer Olympics torch relay: Thailand: The April 18 relay through Bangkok was the Olympic flame's first visit to Thailand. The relay covered just over 10 km, and included Bangkok's Chinatown. The torch was carried past Democracy Monument, Chitralada Palace and a number of other city landmarks. M.R. Narisa Chakrabongse, Green World Foundation (GWF) chairwoman, withdrew from the torch-running ceremony, protesting against China's actions in Tibet. Several hundred protesters were present, along with Olympic supporters. Thai authorities threatened to arrest foreign protesters and ban them from future entry into Thailand. A coalition of Thai human rights groups announced that it would organise a "small demonstration" during the relay, and several hundred people did indeed take part in protests, facing Beijing supporters. Intended torchbearer Mom Rajawongse Narissara Chakrabongse boycotted the relay, to protest against China's actions in Tibet. In Bangkok, students told the media that the Chinese Embassy provided them with transportation and gave them shirts to wear.
Document 4: 2008 Summer Olympics torch relay: In many cities along the North American and European route, the torch relay was protested by advocates of Tibetan independence, animal rights, and legal online gambling, and people protesting against China's human rights record, resulting in confrontations at a few of the relay locations. These protests, which ranged from hundreds of people in San Francisco, to effectively none in Pyongyang, forced the path of the torch relay to be changed or shortened on a number of occasions. The torch was extinguished by Chinese security officials several times during the Paris leg for security reasons, and once in protest in Paris.
Document 5: Kim Jong-nam: Kim Jong-nam was born 10 May 1971 in Pyongyang, North Korea, to Song Hye-rim, one of three women known to have had children with Kim Jong-il. Because Kim Jong-il aimed to keep his affair with Song a secret due to the disapproval of his father Kim Il-sung, he initially kept Jong-nam out of school, instead sending him to live with Song's older sister Song Hye-rang, who tutored him at home. North Korea Leadership Watch says he left North Korea to visit his grandmother in Moscow, Soviet Union, and spent his childhood at international schools in both Russia and Switzerland until returning to his home country in 1988.
Document 6: 2018 Winter Olympics torch relay: The 2018 Winter Olympics torch relay began 24 October 2017 and ended on 9 February 2018, in advance of the 2018 Winter Olympics. After being lit in Olympia, Greece, the torch traveled to Athens on 31 October. The torch began its Korean journey on 1 November, visiting all Regions of Korea. The Korean leg began in Incheon: the torch travelled across the country for 101 days. 7,500 relay runners participated in the torch relay over a distance of 2,017 km. The torchbearers each carried the flame for 200 metres. The relay ended in Pyeongchang's Olympic Stadium, the main venue of the 2018 Olympics. The final torch was lit by figure skater Yuna Kim.
Document 7: 2008 Summer Olympics torch relay: Kazakhstan: The first torchbearer in Almaty, where the Olympic torch arrived for the first time ever on April 2, was the President of Kazakhstan Nursultan Nazarbaev. The route ran 20 km from Medeo stadium to Astana Square. There were reports that Uighur activists were arrested and some were deported back to China.
Document 8: An Kyong-ho: He was born in Gangwon, and is a graduate of Kim Il-sung University in Pyongyang. He currently serves as the Chief Director of the Committee for the Peaceful Reunification of the Fatherland. He first entered international news in 1988, when he attended South-North preparatory talks. He was a delegate to the 9th and 11th sessions of the Supreme People's Assembly, held in 1990 and 2003.
Document 9: U Tong-chuk: According to official North Korean state media, U graduated from Kim Il-sung University with a philosophy degree. He later served in a number of minor posts in the Organization and Guidance Department of the Workers' Party of Korea before being moved to a leading position in the Ministry of State Security (or State Security Department) in the 1990s. He was promoted to colonel-general, member of the National Defence Commission, and first vice-minister of State Security in 2009. This put him in charge of the ministry and gave him access to the country's top echelon, as the ministry was reportedly under Kim Jong-il directly, and he accompanied Kim Jong-il on a number of tours and official events, including a dinner with former US President Bill Clinton. On 28 September 2010, the 3rd Party Conference elevated him to member of the Politburo and the Central Military Commission; the day before he had been promoted to general of the Korean People's Army.
Document 10: Korean People's Army: Korean People's Army 조선인민군 Flag of the Korean People's Army Ground Force is used to represent the entire Korean People's Army. Founded April 25, 1932 Current form February 8, 1948 Service branches Korean People's Army Ground Force Korean People's Army Air Force Korean People's Army Naval Force Strategic Force Special Operation Force Headquarters Pyongyang, North Korea Leadership Supreme Commander Marshal Kim Jong - un Minister of the Armed Forces General No Kwang - chol Chief of the General Staff Vice Marshal Ri Yong - gil Manpower Military age 17 Conscription 18 Available for military service 12,933,972, age 15 - 29 Fit for military service 4,836,567 males, age 15 - 29, 5,230,137 females, age 15 - 29 Reaching military age annually 207,737 males, 204,553 females Active personnel 945,000 (2018) Reserve personnel 5,500,000 (2018) Expenditures Budget $10 Billion (2018) Percent of GDP 25% Related articles Ranks Comparative military ranks of Korea
Document 11: Kim Il-chol: He was born in Pyongyang in 1933. He graduated from Mangyongdae Revolutionary School and the "Soviet Union Naval Academy". Although the North Korean army mainly depends on ground troops, Admiral Kim who was commander of the Korean People's Navy since 1982 was installed in the highest military position of the head of the Minister of the People's Armed Forces in 1998, filling a vacancy left by Choe Kwang, who died in February 1997, something that indicated that he was fully trusted by Kim Jong-il. Kim Il-chol participated as a senior delegate in the inter-Korean Defense Minister’s meeting held for the first time since the division of the Korean peninsula in September 2000.
Document 12: Kim Jong-il: Soviet records show that Kim was born Yuri Irsenovich Kim () in 1941 in the village of Vyatskoye, near Khabarovsk, where his father, Kim Il-sung, commanded the 1st Battalion of the Soviet 88th Brigade, made up of Chinese and Korean exiles. Kim Jong-il's mother, Kim Jong-suk, was Kim Il-sung's first wife. Inside his family, he was nicknamed "Yura", while his younger brother Kim Man-il (born Alexander Irsenovich Kim) was nicknamed "Shura".
Document 13: 2008 Summer Olympics torch relay: North Korea: The event was held in Pyongyang on April 28. It was the first time that the Olympic torch has traveled to North Korea. A crowd of thousands waving pink paper flowers and small flags with the Beijing Olympics logo were organized by the authoritarian regime watched the beginning of the relay in Pyongyang, some waving Chinese flags. The event was presided over by the head of the country's parliament, Kim Yong Nam. The North, an ally of China, has been critical of disruptions to the torch relay elsewhere and has supported Beijing in its actions against protests in Tibet. Kim passed the torch to the first runner Pak Du Ik, who played on North Korea's 1966 World Cup soccer team, as he began the 19-kilometre route through Pyongyang. The relay began from the large sculpted flame of the obelisk of the Juche Tower, which commemorates the national ideology of Juche, or "self-reliance", created by the country's late founding President Kim Il Sung, father of leader Kim Jong Il, who did not attend.
Document 14: North Korea at the 2008 Summer Olympics: North Korea (Democratic People's Republic of Korea) competed in the 2008 Summer Olympics, held in Beijing, People's Republic of China from August 8 to August 24, 2008. The country sent 63 athletes, competing in 11 sports.
Document 15: Hyon Chol-hae: During the Korean War, Hyon served as Kim Il-sung's bodyguard, a role which gave him "a place in North Korea's revolutionary history". He was director of the General Logistics Department of the Korean People's Army from 1986 to 1995, when he was appointed deputy director of the General Political Department, becoming one of the senior most members of the North Korean military and political leadership. He has been described as being in "close proximity" to Kim Jong-il, and as reporting directly to him. It had been suggested that, following Kim Jong-il's death, he may have taken part in a military council leadership of the country. He was transferred to director of the Standing Bureau of the National Defence Commission. He has been a member of the Central Committee of the Workers' Party of Korea since 1991.
ground_truth: April 28
sub_queries: Kim Il-chol >> place of birth Answer: Pyongyang
When did the torch arrive in Pyongyang ? Answer: April 28