Question: What is the population of Charles Butler's birth city?

full_context: Document 1: Wasatch Front: Wasatch Front Region Utah State Capitol Salt Lake City Brigham Young University Provo Downtown Ogden Country United States State Utah Population 2,423,912
Document 2: Utah: Utah ( YOO-tah,  (listen) YOO-taw) is a state in the western United States. It became the 45th state admitted to the U.S. on January 4, 1896. Utah is the 13th-largest by area, 30th-most-populous, and 11th-least-densely populated of the 50 United States. Utah has a population of more than 3 million according to the Census estimate for July 1, 2016. Urban development is mostly concentrated in two areas: the Wasatch Front in the north-central part of the state, which contains approximately 2.5 million people; and Washington County in Southern Utah, with over 160,000 residents. Utah is bordered by Colorado to the east, Wyoming to the northeast, Idaho to the north, Arizona to the south, and Nevada to the west. It also touches a corner of New Mexico in the southeast.
Document 3: Salt Lake City: Salt Lake City (often shortened to Salt Lake or SLC) is the capital and the most populous municipality of the U.S. state of Utah. With an estimated population of 190,884 in 2014, the city is the core of the Salt Lake City metropolitan area, which has a population of 1,153,340 (2014 estimate). Salt Lake City is further situated within a larger metropolis known as the Salt Lake City - Ogden - Provo Combined Statistical Area. This region is a corridor of contiguous urban and suburban development stretched along an approximately 120 - mile (190 km) segment of the Wasatch Front, comprising a population of 2,423,912 as of 2014. It is one of only two major urban areas in the Great Basin (the other is Reno, Nevada).
Document 4: Charles Henry Butler: Charles Henry Butler (June 18, 1859 – February 9, 1940) was an American lawyer and the tenth reporter of decisions of the United States Supreme Court, serving from 1902 to 1916.
Document 5: Tucker West: Tucker West (born January 1, 1995) is an American slider who, at the age of 18, was the youngest male ever to qualify to represent the United States in the men's luge at the Olympics. West placed 22nd in the men's single competition at the 2014 Winter Olympics in Sochi, Russia.
Document 6: James Butler (artist): Butler was educated at Maidstone Grammar School and studied art at Saint Martin's School of Art and the Royal College of Art. For 10 years he was a professional stone carver. He taught sculpture and drawing at the City and Guilds of London Art School and was visiting professor to the Royal Academy School. He was first elected to the Royal Academy of Arts in 1964 and is a member of the Royal West of England Academy and fellow of the Royal British Society of Sculptors.
Document 7: History of Salt Lake City: The Congress organized the Utah Territory out of the ``State of Deseret ''in 1850, and a few months later on January 6, 1851 the city was formally organized as`` The City of the Great Salt Lake''. Originally, Fillmore, Utah was the territorial capital, but in 1856 it was moved to Salt Lake City, where it has stayed ever since. The city's name was officially changed to ``Salt Lake City ''at the same time.
Document 8: Charles Butler (figure skater): Charles Butler (born April 4, 1979 in Salt Lake City, Utah) is an American physician, entrepreneur, and former figure skater. With Jessica Joseph, he is the 1998 World Junior champion and 1998 U.S. silver medalist. They also were the youngest couple to compete in the 1998 Winter Olympic Games.
Document 9: Figure skating: The ISU has modified its age rules several times. Prior to the 1990s, 12 was the minimum age for senior international competitions. New rules were introduced in 1996, requiring skaters to be at least 15 before July 1 of the preceding year in order to compete at the Olympics, Worlds, Europeans, or Four Continents. The minimum age for all other senior internationals was 14 until July 2014, when it was raised to 15.
Document 10: Nathan Chen: Nathan Chen Nathan Chen at 2017 US Championships Full name Nathan Chen Country represented United States (1999 - 05 - 05) May 5, 1999 (age 18) Salt Lake City, Utah Height 1.66 m (5 ft 5 ⁄ in) Coach Rafael Arutyunyan, Nadia Kanaeva, Vera Arutyunyan Former coach Marina Zueva, Oleg Epstein, Evgenia Chernyshova, Stephanie Grosscup, Karel Kovar, Amanda Kovar Choreographer Shae - Lynn Bourne, Lori Nichol Former choreographer Nadia Kanaeva, Marina Zueva, Nikolai Morozov, Phillip Mills, Stephanie Grosscup, Evgenia Chernyshova Skating club Salt Lake Figure Skating Training locations Lakewood, California Former training locations Salt Lake City, Utah Lake Arrowhead, California Artesia, California Canton, Michigan Began skating 2002 World standing 3 (As of 24 March 2018) ISU personal best scores Combined total 321.40 2018 World Figure Skating Championships Short program 104.12 2017 Skate America Free skate 219.46 2018 World Figure Skating Championships Medal record (hide) Men's figure skating Representing the United States International competitions Event 1st 2nd 3rd Winter Olympics 0 0 World Championships 0 0 Four Continents Championships 0 0 Grand Prix Final 0 World Junior Championships 0 0 Junior Grand Prix Final 0 World Team Trophy 0 0 Total Olympic Games 2018 Pyeongchang Team World Championships 2018 Milan Singles Four Continents Championships 2017 Gangneung Singles Grand Prix Final 2017 -- 18 Nagoya Singles 2016 -- 17 Marseille Singles World Team Trophy 2017 Tokyo Team World Junior Championships 2014 Sofia Singles Junior Grand Prix Final 2015 -- 16 Barcelona Singles 2013 -- 14 Fukuoka Singles
Document 11: Eagle Mountain, Utah: Eagle Mountain is a city in Utah County, Utah, United States. It is part of the Provo–Orem, Utah Metropolitan Statistical Area. The city is located to the west as well as north of the Lake Mountains, which are west of Utah Lake. It was incorporated December 3, 1996 and has been rapidly growing ever since. The population was 21,415 at the 2010 census. Although Eagle Mountain was a town in 2000, it has since been classified as a fourth-class city by state law. In its short history, the city has quickly become known for its rapid growth.
Document 12: Salt Lake City: The Mormon pioneers organized a new state called Deseret and petitioned for its recognition in 1849. The United States Congress rebuffed the settlers in 1850 and established the Utah Territory, vastly reducing its size, and designated Fillmore as its capital city. Great Salt Lake City replaced Fillmore as the territorial capital in 1858, and the name was later abbreviated to Salt Lake City. The city's population continued to swell with an influx of Mormon converts and Gold Rush gold seekers, making it one of the most populous cities in the American Old West.
Document 13: Salt Lake City: Salt Lake City (often shortened to Salt Lake or SLC) is the capital and the most populous municipality of the U.S. state of Utah. With an estimated population of 190,884 in 2014, the city is the core of the Salt Lake City metropolitan area, which has a population of 1,153,340 (2014 estimate). Salt Lake City is further situated within a larger metropolis known as the Salt Lake City -- Ogden -- Provo Combined Statistical Area. This region is a corridor of contiguous urban and suburban development stretched along an approximately 120 - mile (190 km) segment of the Wasatch Front, comprising a population of 2,423,912 as of 2014. It is one of only two major urban areas in the Great Basin (the other is Reno, Nevada).
Document 14: Cecil Jacobson: Jacobson was born in Salt Lake City, Utah. A graduate of Brown University and Middlesex Medical School, he became a researcher at George Washington University, but had no specialist training in infertility medicine.
Document 15: Nicolae Butacu: Nicolae Butacu (born 15 July 1974) is a retired freestyle and backstroke swimmer from Romania, who represented his native country at the 1996 Summer Olympics in Atlanta, Georgia. He is best known for winning two silver medals at the 1996 European SC Championships in Rostock.
ground_truth: 190,884
sub_queries: Charles Butler >> place of birth Answer: Salt Lake City
what's the population of Salt Lake City Answer: 190,884