Question: Christopher Humbert was born in a city in which county ?

full_context: Document 1: Modesto, California: Modesto (Italian for "modest"), officially the City of Modesto, is the county seat and largest city of Stanislaus County, California, United States. With a population of approximately 201,165 at the 2010 census, it is the 18th largest city in the state of California and forms part of the Modesto-Merced combined Statistical Area. The Modesto Census County Division, which includes the cities of Ceres and Riverbank, had a population of 312,842 as of 2010 .
Document 2: Kurt Krumpholz: Kurt Krumpholz is a former American swimmer. He represented the United States at the 1973 World Aquatics Championships in Belgrad, where he won two medals. At the 1972 U.S. Olympic Team Trials, Krumpholz set the world record in the prelims of the 400-meter freestyle. However, in the final, Krumpholz placed sixth, not making the Olympic team. The following year, Krumpholz won a gold medal in the 4×200-meter freestyle relay and a silver medal in the 200-meter freestyle at the 1973 World Aquatics Championships. His gold in the 4×200-meter freestyle relay came in world record time. Krumpholz was initially a water polo player for UCLA and only swam to stay in shape. Before his world record swim, Krumpholz swam the event only three times. Krumpholz's son, J. W. Krumpholz, is a water polo player and Olympic silver medallist from the 2008 Summer Olympics.
Document 3: San Bernardino, California: San Bernardino is a city located in the Riverside-San Bernardino metropolitan area (sometimes called the "Inland Empire"). It serves as the county seat of San Bernardino County, California, United States. As one of the Inland Empire's anchor cities, San Bernardino spans 81 sqmi on the floor of the San Bernardino Valley and has a population of 209,924 as of the 2010 census. San Bernardino is the 17th-largest city in California and the 100th-largest city in the United States. San Bernardino is home to numerous diplomatic missions for the Inland Empire, being one of four cities in California with numerous consulates (the other three being Los Angeles, San Diego and San Francisco). The governments of Guatemala and Mexico have also established their consulates in the downtown area of the city.
Document 4: Sacramento, California: Sacramento ( ; ] ) is the capital city of the U.S. state of California and the seat of Sacramento County. It is at the confluence of the Sacramento River and the American River in the northern portion of California's expansive Central Valley, known as the Sacramento Valley. Its estimated 2016 population of 493,025 makes it the sixth-largest city in California, the fastest-growing big city in the state, and the 35th largest city in the United States. Sacramento is the cultural and economic core of the Sacramento metropolitan area, which includes seven counties with a 2010 population of 2,414,783. Its metropolitan area is the fourth largest in California after the Greater Los Angeles area, the San Francisco Bay Area, and the San Diego metropolitan area, and is the 27th largest in the United States. In 2002, the Civil Rights Project at Harvard University conducted for "Time" magazine named Sacramento "America's Most Diverse City".
Document 5: Moreno Valley, California: Moreno Valley is a city located in Riverside County, California and is part of the San Bernardino-Riverside Metropolitan Area. A relatively young city, its rapid growth from the 1980s to the early 2000s made it the second-largest city in Riverside County by population, and one of the Inland Empire's population centers. As of the 2010 census, the city's population was 193,365. The city is closely tied to Riverside, California, the county seat and largest city in the county, which neighbors Moreno Valley directly to the west. Moreno Valley is also part of the Greater Los Angeles area.
Document 6: Salinas, California: Salinas is the county seat and largest municipality of Monterey County, California. Salinas is located just outside the southern portion of the greater Bay Area and 10 mi east-southeast of the mouth of the Salinas River, at an elevation of about 52 ft above sea level. The population was 155,662 as of 2013 . The city is located at the mouth of the Salinas Valley roughly eight miles from the Pacific Ocean and has a climate more influenced by the ocean than the hot-summer interior. The city consists mostly of late 20th century single family homes and low-level apartments, ranging from modest bungalows to spacious luxury homes, and serves as the main business, governmental and industrial center of the region. The marine climate is ideal for the floral industry, grape vineyards, and vegetable growers. Salinas is known for its vibrant and large agriculture industry and as the hometown of writer and Nobel Prize in Literature laureate John Steinbeck, who based several of his novels there.
Document 7: Concord, California: Concord ( ) is the largest city in Contra Costa County, California. At the 2010 census, the city had a population of 122,067 making it the 8th largest city in the San Francisco Bay Area. Founded in 1869 as the community of Todos Santos by Salvio Pacheco, the name was changed to Concord within months. The city is a major regional suburban East Bay center within the San Francisco Bay Area, and is 29 mi east of San Francisco.
Document 8: Iván Moro: Iván Moro Fernández (born December 25, 1974 in Madrid) is a water polo player from Spain, who was a member of the national team that won the gold medal at the 1996 Summer Olympics in Atlanta, Georgia. He also competed for his native country in the Summer Games of 2000 and 2004.
Document 9: Folsom, California: Folsom is a city in Sacramento County, California, United States. It is commonly known for Folsom Prison and Folsom Lake. The population was 72,203 at the 2010 census.
Document 10: Chris Humbert: Christopher A. "Chris" Humbert (born December 27, 1969 in Modesto, California) is a former water polo center forward from the United States, who competed in three Summer Olympics (1992, 1996 and 2000) for his native country. He was part of the United States national team squads that won the gold medal in the 1991 FINA World Cup in Barcelona and the gold medal in the 1997 FINA World Cup in Athens.
Document 11: Chris Mullin (basketball): Christopher Paul Mullin (born July 30, 1963) is an American retired professional basketball player and current head coach of the St. John's Red Storm. He previously served as special advisor for the Sacramento Kings and general manager of the Golden State Warriors. He is a two-time Olympic Gold medalist and a two-time Naismith Memorial Basketball Hall of Fame inductee (in 2010 as a member of the 1992 United States men's Olympic basketball team ("The Dream Team"), and in 2011 for his individual career).
Document 12: Chris Gatling: Chris Raymond Gatling (born September 3, 1967) is a retired American professional basketball player born in Elizabeth, New Jersey. Gatling played for many NBA teams from 1991 to 2002. He played for the US national team in the 1990 FIBA World Championship, winning the bronze medal.
Document 13: David Hughes (sailor): David "Dave" Hughes (born January 22, 1978 in Ithaca, NY) - US Olympian, World champion, and professional sailor. Hughes was a member of the 2016 US Olympic Team. He is best known for his accomplishments on the Olympic sailing circuit as both an athlete and coach. Hughes was a US Olympic Team coach at the 2012 London Olympics, coaching Erik Storck and Trevor Moore in the 49er class. David is a 2x National champion and 3x North American champion in the 470 class. He has won 5x World Cup Gold Medals and 2x European Championship medals. Notable highlights include recent Gold Medals at the 2017, 2016, and 2013 Sailing World Cup Miami, 2015 Europeans Championships, 2015 Sailing World Cup Weymouth, as well as multiple medals in other Olympic and non-Olympic events, including winning the 2016 Melges 24 World Championship. He burst onto the Olympic scene with a win at the 2005 Kiel Week Regatta with Michael Anderson-Mitterling. After the 2012 Olympics, Hughes partnered with two-time Olympian Stuart McNay. The two qualified together for the 2016 Olympic Games, representing the US in the Men's 470 two-person discipline. Hughes has three-times been nominated for US Yachtsman of the Year. He is a duel citizen of both the US and France. He holds both Batchelor's and master's degrees; he was a US Senate, US House, and White House West Wing intern during years 1996-1998. Hughes currently lives in Miami, FL.
Document 14: Christophe Leininger: Christophe Leininger is an American former judoka who was 1984, 1988, and 1992 US Olympic Judo Team Alternate. He was born in 1960. His brother Bryan Leininger was also a judo competitor. While his father Maurice was a French Judo champion. He is a two time US National Judo Champion and a two time US Judo open champion. He competed in a number of mixed martial arts fights included in UFC 3 and UFC 13, losing in both.
Document 15: Chris Paul: Christopher Emmanuel Paul (born May 6, 1985) is an American professional basketball player for the Houston Rockets of the National Basketball Association (NBA). He has won the NBA Rookie of the Year Award, an NBA All-Star Game Most Valuable Player Award, two Olympic gold medals, and led the NBA in assists four times and steals six times. He has also been selected to nine NBA All-Star teams, eight All-NBA teams, and nine NBA All-Defensive teams.
ground_truth: Stanislaus County