Question: What percent of people in the country where Vitaliy Lilichenko lived use Russian as their main language?

full_context: Document 1: Eduard Khrennikov: Eduard Alexandrovich Khrennikov (; born 19 May 1973 in Usolye-Sibirskoye) is a Russian ski-orienteering competitor and world champion, and three times winner of the overall World cup. He received a gold medal in the long course at the 2004, 2005 and 2007 World Ski Orienteering Championships, in the middle distance in 2002 and 2007, and in sprint in 2004 and 2007. He won the overall World Cup in Ski Orienteering in 2000, 2003 and 2006, and finished 3rd in 2001. Khrennikov by winning the middle distance at the 2017 Winter Military World Games in Sochi, Russia won his fifth medal in this competition. He continued winning three more gold medals there.
Document 2: Russian language: In the 20th century, Russian was mandatorily taught in the schools of the members of the old Warsaw Pact and in other countries that used to be satellites of the USSR. In particular, these countries include Poland, Bulgaria, the Czech Republic, Slovakia, Hungary, Albania, former East Germany and Cuba. However, younger generations are usually not fluent in it, because Russian is no longer mandatory in the school system. According to the Eurobarometer 2005 survey, though, fluency in Russian remains fairly high (20–40%) in some countries, in particular those where the people speak a Slavic language and thereby have an edge in learning Russian (namely, Poland, Czech Republic, Slovakia, and Bulgaria).
Document 3: Vitaliy Lilichenko: Vitaliy Lilichenko is a ski-orienteering competitor from Kazakhstan. He competed at the 2009 World Ski Orienteering Championships in Rusutsu, where he placed 30th in the sprint, 45th in the middle distance, 35th in the long distance, and 9th in the relay with the Kazakhstani team. He won a silver medal in the middle distance at the 2011 Asian Winter Games, behind Mikhail Sorokin.
Document 4: Russian language: In Ukraine, Russian is seen as a language of inter-ethnic communication, and a minority language, under the 1996 Constitution of Ukraine. According to estimates from Demoskop Weekly, in 2004 there were 14,400,000 native speakers of Russian in the country, and 29 million active speakers. 65% of the population was fluent in Russian in 2006, and 38% used it as the main language with family, friends or at work. Russian is spoken by 29.6% of the population according to a 2001 estimate from the World Factbook. 20% of school students receive their education primarily in Russian.
Document 5: Russian language: Ethnic Russians constitute 25.5% of the country's current population and 58.6% of the native Estonian population is also able to speak Russian. In all, 67.8% of Estonia's population can speak Russian. Command of Russian language, however, is rapidly decreasing among younger Estonians (primarily being replaced by the command of English). For example, if 53% of ethnic Estonians between 15 and 19 claim to speak some Russian, then among the 10- to 14-year-old group, command of Russian has fallen to 19% (which is about one-third the percentage of those who claim to have command of English in the same age group).
Document 6: Russian language: In Kazakhstan Russian is not a state language, but according to article 7 of the Constitution of Kazakhstan its usage enjoys equal status to that of the Kazakh language in state and local administration. According to estimates from Demoskop Weekly, in 2004 there were 4,200,000 native speakers of Russian in the country, and 10 million active speakers. 63% of the population was fluent in Russian in 2006, and 46% used it as the main language with family, friends or at work. According to a 2001 estimate from the World Factbook, 95% of the population can speak Russian. Large Russian-speaking communities still exist in northern Kazakhstan, and ethnic Russians comprise 25.6% of Kazakhstan's population. The 2009 census reported that 10,309,500 people, or 84.8% of the population aged 15 and above, could read and write well in Russian, as well as understand the spoken language.
Document 7: Russian language: In Georgia Russian has no official status, but it's recognised as a minority language under the Framework Convention for the Protection of National Minorities. According to estimates from Demoskop Weekly, in 2004 there were 130,000 native speakers of Russian in the country, and 1.7 million active speakers. 27% of the population was fluent in Russian in 2006, and 1% used it as the main language with family, friends or at work. Russian is the language of 9% of the population according to the World Factook. Ethnologue cites Russian as the country's de facto working language.
Document 8: Russian language: Significant Russian-speaking groups also exist in Western Europe. These have been fed by several waves of immigrants since the beginning of the 20th century, each with its own flavor of language. The United Kingdom, Spain, Portugal, France, Italy, Belgium, Greece, Brazil, Norway, and Austria have significant Russian-speaking communities. According to the 2011 Census of Ireland, there were 21,639 people in the nation who use Russian as a home language. However, of this only 13% were Russian nationals. 20% held Irish citizenship, while 27% and 14% were holding the passports of Latvia and Lithuania respectively.
Document 9: Russian language: According to figures published in 2006 in the journal "Demoskop Weekly" research deputy director of Research Center for Sociological Research of the Ministry of Education and Science (Russia) Arefyev A. L., the Russian language is gradually losing its position in the world in general, and in Russia in particular. In 2012, A. L. Arefyev published a new study "Russian language at the turn of the 20th-21st centuries", in which he confirmed his conclusion about the trend of further weakening of the Russian language in all regions of the world (findings published in 2013 in the journal "Demoskop Weekly"). In the countries of the former Soviet Union the Russian language is gradually being replaced by local languages. Currently the number speakers of Russian language in the world depends on the number of Russians in the world (as the main sources distribution Russian language) and total population Russia (where Russian is an official language).
Document 10: Vitaly Lunkin: Vitaly Lunkin (born 7 May 1971) is a Russian professional poker player from Moscow, Russia who has won two World Series of Poker bracelets.
Document 11: Yulia Livinskaya: Livinskaya competed at the 2010 Winter Olympics for Russia. She placed 32nd in the qualifying round in ski cross, to advance to the knockout stages. She did not finish her first round heat, and did not advance.
Document 12: Cross-country skiing at the 2006 Winter Olympics – Men's 30 kilometre pursuit: The pursuit in this format had been skied three times at the Nordic skiing World Championships, and Frenchman Vincent Vittoz was the reigning World Champion. A pursuit event similar to this was skied at the 2002 Winter Olympics, where the gold was shared between Thomas Alsgaard (now retired) and Frode Estil, but the distance was 20 kilometres, not 30.
Document 13: FIS Nordic World Ski Championships 2011 – Men's 15 kilometre classical: The Men's 15 km classical interval start was part of the FIS Nordic World Ski Championships 2011's events held in Oslo, Norway. The race went underway on 1 March 2011 at 13:00 CET. A 10 km qualifying race took place on 23 February at 11:00 CET. The defending world champion was Estonia's Andrus Veerpalu while the defending Olympic champion was Switzerland's Dario Cologna.
Document 14: Alexey Pchelintsev: Pchelintsev competed at the 2014 Winter Olympics for Kazakhstan. He placed 46th both the normal hill qualifying round and the large hill qualifying round, failing to advance.
Document 15: Russian language: In Armenia Russian has no official status, but it's recognised as a minority language under the Framework Convention for the Protection of National Minorities. According to estimates from Demoskop Weekly, in 2004 there were 15,000 native speakers of Russian in the country, and 1 million active speakers. 30% of the population was fluent in Russian in 2006, and 2% used it as the main language with family, friends or at work. Russian is spoken by 1.4% of the population according to a 2009 estimate from the World Factbook.
ground_truth: 46%
sub_queries: In which country did Vitaliy Lilichenko live? Answer: Kazakhstan
What percent of people in Kazakhstan use Russian as their main language? Answer: 46%