Question: What district in the country experiencing violence of protesters against police contains Birpur?

full_context: Document 1: Kalika, Kanchanpur: Kalika is a town and market center in Punarbas Municipality in Kanchanpur District in the Mahakali Zone of south-western Nepal. The former village development committee was merged to form new municipality on 18 May 2014. At the time of the 1991 Nepal census it had a population of 8233 people living in 1406 individual households.
Document 2: 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 3: 2008 Summer Olympics torch relay: Prompted by the chaotic torch relays in Western Europe and North America, the president of the International Olympic Committee, Jacques Rogge described the situation as a "crisis" for the organization and stated that any athletes displaying Tibetan flags at Olympic venues could be expelled from the games. though he stopped short of cancelling the relay altogether despite calls to do so by some IOC members. The outcome of the relay influenced the IOC's decision to scrap global relays in future editions of the games.
Document 4: Khaliban: Khaliban is a town in Rampur Municipality in Palpa District in the Lumbini Zone of southern Nepal. The municipality was established on 18 May 2014 by merging the existing Gadakot, Gegha, Khaliban, Darchha village development committee. At the time of the 1991 Nepal census it had a population of 2272 people living in 399 individual households.
Document 5: Labani: Labani is a village development committee in Kapilvastu District in the Lumbini Zone of southern Nepal. It is located on Taulihawa Road, west of Lumbini. At the time of the 1991 Nepal census it had a population of 5110 people living in 858 individual households.
Document 6: Bishrampur, Rautahat: Bishrampur is a village development committee in Rautahat District in the Narayani Zone of south-eastern Nepal. At the time of the 1991 Nepal census it had a population of 6721 people living in 1229 individual households.Benauli is also located in this VDC and Aalok Live there.
Document 7: 2008 Summer Olympics torch relay: Chinese officials canceled the torch relay ceremony amidst disruptions, including a Tibetan flag flown from a window in the City Hall by Green Party officials. The third torchbearer in the Paris leg, Jin Jing, who was disabled and carried the torch on a wheelchair, was assaulted several times by unidentified protestors seemingly from the pro-Tibet independent camp. In interviews, Jin Jing said that she was "tugged at, scratched" and "kicked", but that she "did not feel the pain at the time." She received praise from ethnic Chinese worldwide as "Angel in Wheelchair". The Chinese government gave the comment that "the Chinese respect France a lot" but "Paris [has slapped] its own face."
Document 8: Birpur, Nepal: Birpur is a town in Shivaraj Municipality in Kapilvastu District in the Lumbini Zone of southern Nepal. The former village development committee was transformed into Municipality from 18 May 2014 by merging the existing Birpur, Nepal, Chanai, Bishunpur, Jawabhari and Shivapur village development committees. At the time of the 2001 Nepal census it had a population of 15255 people living in 1209 individual households.
Document 9: 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 10: Basbiti: Basbitti is a village development committee in Saptari District in the Sagarmatha Zone of south-eastern Nepal. At the time of the 2011 Nepal census it had a population of 3,666 people living in 683 individual households. The village is located 5 km south of Rupani and 5  km north from Rajbiraj (the headquarters of Saptari district). Rupani and Rajbiraj are connected by the road RamLaxam marg and the village is situated east to the road. The people of this village are either from Hindu (the castes like Kayastha, Yadav, Sharma, Mandal, Brahman, Bhagat, Chaudhary, Teli) or from Muslim society. It has only one secondary school and a madarsha (a school in which children are educated in Urdu and about Islam). One industrial state is also located at this vdc named as Gajendra Narayan Singh industrial state (named after the late person and founder member of Nepal Sadbhawana party) which was built with the joint co-operation of Nepal government and India government. The literacy percent of this village is low but day by day the literacy percent is increasing. The life style of this village is simple. The main business of the people is farming and working at golf country. People from the Hindu community celebrate feasts like Dashain, Tihar, Krishanasthami, Chhath, and people from the Muslim society celebrate feasts like Ramjan And Bakrid.
Document 11: Nepal: As of 3 April 2018, Nepal is divided into 7 provinces and 77 districts. It has 753 local units. There are 6 metropolises, 11 sub-metropolises, 276 municipal councils, and 460 village councils for official works. The constitution grants 22 absolute powers to the local units while they share 15 more powers with the central and state governments.
Document 12: Bishnupurwa: Bishnupurwa is a town and Village Development Committee in Bara District in the Narayani Zone of south-eastern Nepal. At the time of the 1991 Nepal census it had a population of 3,606 persons living in 617 individual households.
Document 13: 2008 Summer Olympics torch relay: Australia: The event was held in Canberra, Australian Capital Territory on April 24, and covered around 16 km of Canberra's central areas, from Reconciliation Place to Commonwealth Park. Upon its arrival in Canberra, the Olympic flame was presented by Chinese officials to local Aboriginal elder Agnes Shea, of the Ngunnawal people. She, in turn, offered them a message stick, as a gift of peace and welcome. Hundreds of pro-Tibet protesters and thousands of Chinese students reportedly attended. Demonstrators and counter-demonstrators were kept apart by the Australian Federal Police. Preparations for the event were marred by a disagreement over the role of the Chinese flame attendants, with Australian and Chinese officials arguing publicly over their function and prerogatives during a press conference.
Document 14: 2008 Summer Olympics torch relay: Greece: On March 24, 2008, the Olympic Flame was ignited at Olympia, Greece, site of the ancient Olympic Games. The actress Maria Nafpliotou, in the role of a High Priestess, ignited the torch of the first torchbearer, a silver medalist of the 2004 Summer Olympics in taekwondo Alexandros Nikolaidis from Greece, who handed the flame over to the second torchbearer, Olympic champion in women's breaststroke Luo Xuejuan from China. Following the recent unrest in Tibet, three members of Reporters Without Borders, including Robert Ménard, breached security and attempted to disrupt a speech by Liu Qi, the head of Beijing's Olympic organising committee during the torch lighting ceremony in Olympia, Greece. The People's Republic of China called this a "disgraceful" attempt to sabotage the Olympics. On March 30, 2008 in Athens, during ceremonies marking the handing over of the torch from Greek officials to organizers of the Beijing games, demonstrators shouted 'Free Tibet' and unfurled banners; some 10 of the 15 protesters were taken into police detention. After the hand-off, protests continued internationally, with particularly violent confrontations with police in Nepal.
Document 15: 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.
ground_truth: Kapilvastu District
sub_queries: What place had police experience violent problems with protesters? Answer: Nepal.
Birpur, Nepal. >> located in the administrative territorial entity Answer: Kapilvastu District