Question: How long is the border with the country in which Juliana of Lazarevo died?

full_context: Document 1: Georgy Chistyakov: Father George was also a spiritual leader of named after Alexander Men Charity Group and father dean of the Church of Intercession of the Holy Virgin Mary at the Russian Children's Hospital.
Document 2: John the Hairy: Blessed John the Hairy (, also known as John the Merciful of Rostov) was a holy fool (Yurodivy), of the Russian Orthodox Church in the second half of the 16th century. He endured a great many trials in his lifetime. "He did not have a permanent shelter, and at times took his rest at the house of his spiritual Father, a priest at the church of the All-Holy, or with one of the aged widows."
Document 3: Upper Oka Principalities: Following the Mongol invasion of Russia of 1223-1240, the formerly mighty Principality of Chernigov gradually degenerated to a point where the descendants of Mikhail of Chernigov (c. 1185 – 1246) ruled dozens of quasi-sovereign entities. As the principalities were wedged in between the ever-expanding Grand Duchy of Lithuania to the west and the nascent Grand Duchy of Muscovy to the north, their rulers were constricted to continually fluctuate between these two major powers as buffer states.
Document 4: Catherine of Genoa: Saint Catherine of Genoa (Caterina Fieschi Adorno, 1447 – 15 September 1510) was an Italian Roman Catholic saint and mystic, admired for her work among the sick and the poor and remembered because of various writings describing both these actions and her mystical experiences. She was a member of the noble Fieschi family, and spent most of her life and her means serving the sick, especially during the plague which ravaged Genoa in 1497 and 1501. She died in that city in 1510.
Document 5: Kazakhstan: It shares borders of 6,846 kilometres (4,254 mi) with Russia, 2,203 kilometres (1,369 mi) with Uzbekistan, 1,533 kilometres (953 mi) with China, 1,051 kilometres (653 mi) with Kyrgyzstan, and 379 kilometres (235 mi) with Turkmenistan. Major cities include Nur-Sultan, Almaty, Karagandy, Shymkent, Atyrau, and Oskemen. It lies between latitudes 40° and 56° N, and longitudes 46° and 88° E. While located primarily in Asia, a small portion of Kazakhstan is also located west of the Urals in Eastern Europe.Kazakhstan's terrain extends west to east from the Caspian Sea to the Altay Mountains and north to south from the plains of Western Siberia to the oases and deserts of Central Asia. The Kazakh Steppe (plain), with an area of around 804,500 square kilometres (310,600 sq mi), occupies one-third of the country and is the world's largest dry steppe region. The steppe is characterised by large areas of grasslands and sandy regions. Major seas, lakes and rivers include the Aral Sea, Lake Balkhash and Lake Zaysan, the Charyn River and gorge and the Ili, Irtysh, Ishim, Ural and Syr Darya rivers.
Document 6: Juliana of Lazarevo: Saint Juliana of Lazarevo (or Juliana of Murom) (1530 – 10 January 1604) is a saint of the Orthodox Church. She was born in Moscow, to Justin and Stefanida Nedyurev, and married Giorgi Osorgin, owner of the village of Lazarevo, near Murom. She lived a righteous life, consecrating herself to helping poor and needy people.
Document 7: Geography of Russia: Truly alpine terrain appears in the southern mountain ranges. Between the Black and Caspian seas, the Caucasus Mountains rise to impressive heights, forming a boundary between Europe and Asia. One of the peaks, Mount Elbrus, is the highest point in Europe, at 5,642 meters. The geological structure of the Caucasus extends to the northwest as the Crimean and Carpathian Mountains and southeastward into Central Asia as the Tian Shan and Pamirs. The Caucasus Mountains create an imposing natural barrier between Russia and its neighbors to the southwest, Georgia and Azerbaijan.
Document 8: Moscow: Moscow is situated on the Moskva River in the Central Federal District of European Russia, making it Europe's most populated inland city. The city is well known for its architecture, particularly its historic buildings such as Saint Basil's Cathedral with its brightly coloured domes. With over 40 percent of its territory covered by greenery, it is one of the greenest capitals and major cities in Europe and the world, having the largest forest in an urban area within its borders -- more than any other major city -- even before its expansion in 2012. The city has served as the capital of a progression of states, from the medieval Grand Duchy of Moscow and the subsequent Tsardom of Russia to the Russian Empire to the Soviet Union and the contemporary Russian Federation.
Document 9: Kievan Rus': Kievan Rus', although sparsely populated compared to Western Europe, was not only the largest contemporary European state in terms of area but also culturally advanced. Literacy in Kiev, Novgorod and other large cities was high. As birch bark documents attest, they exchanged love letters and prepared cheat sheets for schools. Novgorod had a sewage system and wood paving not often found in other cities at the time. The Russkaya Pravda confined punishments to fines and generally did not use capital punishment. Certain rights were accorded to women, such as property and inheritance rights.
Document 10: Central Asia: Mentioned five countries of so called ``Central Asia ''region are situated far from the geographical midpoint of Asia in Russian Southern Siberia, the largest country of the`` Central Asia'' region - Kazakhstan - is partially out of Asia in Europe. Central Asia has a population of about 70 million, consisting of five republics: Kazakhstan (pop. 18 million), Kyrgyzstan (6 million), Tajikistan (9 million), Turkmenistan (6 million), and Uzbekistan (31 million). Afghanistan (pop. 35 million), which is a part of South Asia, is also sometimes included in Central Asia, as is Mongolia (pop. 3 million), which is part of East Asia.
Document 11: John of Moscow: John of Moscow also known as Blessed John the Fool for Christ was a 16th-century Russian saint. He was born on the outskirts of Vologda in Russia. He was considered a wonderworker in Moscow and spent his youth as a labourer in a local saltworks and as a water-carrier. John made his work a spiritual discipline in conjunction with a strict commitment to fasting and personal prayer.
Document 12: Russia: Russia (/ ˈrʌʃə / (listen); Russian: Росси́я, tr. Rossiya; IPA: (rɐˈsjijə)), also officially known as the Russian Federation (Russian: Российская Федерация, tr. Rossiyskaya Federatsiya; IPA: (rɐˈsijskəjə fjɪdjɪˈratsɨjə)), is a country in Eurasia. At 17,125,200 square kilometres (6,612,100 sq mi), Russia is the largest country in the world by surface area, covering more than one - eighth of the Earth's inhabited land area, and the ninth most populous, with over 144 million people at the end of March 2016. The European western part of the country is much more populated and urbanised than the eastern; about 77% of the population live in European Russia. Russia's capital Moscow is one of the largest cities in the world; other major urban centers include Saint Petersburg, Novosibirsk, Yekaterinburg, Chelyabinsk, Nizhny Novgorod, Ufa, and Kazan.
Document 13: Principality of Murom: The Principality of Murom was a medieval Rus' lordship based on the city of Murom, now in Vladimir Oblast, Russia. Murom lay in an area that was strongly Finno-Ugric for much of its medieval history, located in the homeland of the Muromians. It appears to have been an important Finnic settlement in the ninth-century, with an archaeologically noticeable Scandinavian presence from the tenth-century, as evidenced by Frankish swords, a tortoiseshell brooch and a sword chape.
Document 14: Kievan Rus': The three brothers—Rurik, Sineus, and Truvor—established themselves in Novgorod, Beloozero, and Izborsk, respectively. Two of the brothers died, and Rurik became the sole ruler of the territory and progenitor of the Rurik Dynasty. A short time later, two of Rurik’s men, Askold and Dir, asked him for permission to go to Tsargrad (Constantinople). On their way south, they discovered "a small city on a hill," Kiev, captured it and the surrounding country from the Khazars, populated the region with more Varangians, and "established their dominion over the country of the Polyanians."
Document 15: Kazakhstan: With an area of 2,700,000 square kilometres (1,000,000 sq mi) – equivalent in size to Western Europe – Kazakhstan is the ninth-largest country and largest landlocked country in the world. While it was part of the Soviet Union, Kazakhstan lost some of its territory to China's Xinjiang autonomous region and some to Uzbekistan's Karakalpakstan autonomous republic.
ground_truth: 6,846 kilometres
sub_queries: Juliana of Lazarevo >> place of death Answer: Murom
Murom >> country Answer: Russia
How long is the border with Russia ? Answer: 6,846 kilometres