Question: Who owned the stadium at which 2016 Summer Paralympics closing ceremony was held? 
Context: Jade Etherington (born 9 March 1991) is a British former alpine skier who, with her sighted guide Caroline Powell, won silver in the women's downhill skiing, combined and slalom, and bronze medals in the Super-G at the 2014 Winter Paralympic Games in Sochi.  Their three silvers and a bronze at the Winter Paralympics made them the most successful female British Winter Paralympians of all time, and the first Britons to win four medals at one Paralympics.  Because of her success at the 2014 Paralympics, Etherington was the British flagbearer at the 2014 Winter Paralympics closing ceremony. The Maracanã Stadium (Portuguese: "Estádio do Maracanã" , ] ] ), officially Estádio Jornalista Mário Filho (] ), is a football stadium in Rio de Janeiro, Brazil.  The stadium is part of a complex that includes an arena known by the name of "Maracanãzinho", which means "The Little Maracanã" in Portuguese.  Owned by the Rio de Janeiro state government, it is, as is the Maracanã neighborhood where it is located, named after the Rio Maracanã, a now canalized river in Rio de Janeiro. The closing ceremony of the 2012 Summer Paralympics, also known as The Festival of the Flame, was held on 9 September at the Olympic Stadium in London.  Kim Gavin (who also directed the closing ceremony of the 2012 Summer Olympics) served as director for the ceremony, while Stephen Daldry served as its executive producer.  The ceremony was themed around festivals and the four seasons, and was set to music performed live by the British rock group Coldplay, also joined by special guest performers such as the British Paraorchestra, Rihanna and Jay-Z. Roberto Alcaide Garcia (born March 22, 1978 in Madrid) is a cyclist from Spain.  He has a physical disability: He is a C4/LC2 type cyclist.  He raced at the 2004 Summer Paralympics.  He was the first racer to finish in the Individual Pursuit track LC2 race.  He finished second in the Combined Road LC2 race.  He raced at the 2008 Summer Paralympics.  He was the second racer to finish in the Individual Pursuit track LC2 race.  He was the third racer to finish in the Road Trial LC2 race.  He raced at the 2012 Summer Paralympics.  In November 2013, he was awarded a €8,000 scholarship from the Madrid Olympic Foundation to support his efforts to qualify for the 2016 Summer Paralympics. The 2008 Summer Paralympics closing ceremony was held at the Beijing National Stadium, also known as the Bird's Nest.  It began at 8:00 pm China Standard Time (UTC+8) on September 17, 2008.  The number 8 is associated with prosperity and confidence in Chinese culture. Marina Mohnen (born 31 October 1978) is a 4.5 point wheelchair basketball player, who plays for Rhine River Rhinos Wiesbaden in Germany, and previously played for the Mainhatten Skywheelers, RBC Köln 99ers, BAD.S.  Quartu Sant' Elena und S. Stefano Sport.  She also played with the German national team that won the European title in 2005, 2007, 2009, 2011 and 2015 and was runner-up in 2013.  It was also runner-up at the IWBF World Championship in Birmingham in 2010 and in Toronto 2014.  She won a silver medal at the 2008 Summer Paralympics in Beijing and the 2016 Summer Paralympics in Rio, and a gold medal at the 2012 Summer Paralympics in London.  The team was voted 2008 Team of the Year in disabled sports, and President Horst Köhler presented it with Germany's highest sports award, the "Silbernes Lorbeerblatt" (Silver Laurel Leaf).  President Joachim Gauck awarded the team a second Silver Leaf after it won the gold medal at the 2012 Summer Paralympics and at the Summer Paralympics in 2016. The closing ceremony of the 2016 Summer Paralympics was held at the Maracanã Stadium in Rio de Janeiro, Brazil on 18 September 2016. Teresa Perales Fernández (born 29 December 1975) is an S5, SB4, SM5 classified Spanish swimmer, politician and motivational speaker who has won a total of 26 Paralympic medals at the 2000 Summer Paralympics, 2004 Summer Paralympics, 2008 Summer Paralympics, 2012 Summer Paralympics and 2016 Summer Paralympics, with six of those medals earned at the 2012 London Games.  She is the most decorated Spanish Paralympian in history. Clodoaldo Silva (born 1 February 1979) is a Brazilian swimmer.  He competed at the 2000 Summer Paralympics in Sydney, winning three silver medals and one bronze.  He competed again at the 2004 Summer Paralympics in Athens, where he set four world records, five Paralympic records, and won six gold medals and one silver.  He also represented Brazil at the 2008, 2012 and 2016 Paralympics, and lit the Paralympic cauldron at the 2016 Summer Paralympics opening ceremony. The Olympic Training Center (Portuguese: "Centro Olímpico de Treinamento" , COT) is a sports training facility in Barra da Tijuca, Brazil that opened after the 2016 Summer Olympics and 2016 Summer Paralympics.  The centre uses six venues used in the 2016 games in addition to a number of new facilities created in the Barra Olympic Park footprint.  The centre became a campus of training facilities for Olympic and Paralympic athletes at the site of the former Nelson Piquet International Autodrome - Jacarepaguá as a legacy of the 2016 Summer Olympics and 2016 Summer Paralympics.
Answer: Rio de Janeiro state government