Question: Which county shares a border with the county in which Allen can be found?

full_context: Document 1: Charles P. Snyder: After studying law, he was admitted to the bar and opened a practice. He became prosecuting attorney of Kanawha County and served from 1876 to 1884. He was elected in 1882 to the Forty-eighth Congress to fill the vacancy caused by the resignation of John E. Kenna He won re-election to the Forty-ninth and Fiftieth Congresses and served from May 15, 1883 to March 3, 1889. He served as a judge on the criminal court of Kanawha County from 1890 to 1896. He was named United States consul to Ciudad Porfirio Diaz, Mexico from 1897 to 1901. He died in Vineland, New Jersey in Cumberland County on August 21, 1915 and was buried in Spring Hill Cemetery in Charleston, West Virginia.
Document 2: Salmon Falls, California: Salmon Falls is a former settlement in El Dorado County, California. It was located on the South Fork of the American River south-southwest of Pilot Hill, at an elevation of 469 feet (143 m). It was flooded by Folsom Lake. Nearby were waterfalls from which the place got its name. The site is now registered as California Historical Landmark #571.
Document 3: Allen, Río Negro: Allen is a city in the province of Río Negro, Argentina. It has 26,083 inhabitants as per the . It is located on the left-hand (northern) side of the Alto Valle of the Río Negro, near its beginning in the confluence of the Neuquén and Limay rivers, about west of General Roca and east of Neuquén.
Document 4: Robert C. Kirkwood: Robert C. Kirkwood (August 30, 1909 – May 5, 1964) served as a member of the California State Assembly representing part of Santa Clara County from 1947 until 1953, when he resigned to accept an appointment as California State Controller by Governor Earl Warren. Kirkwood was elected to a full term in 1954, but lost a re-election bid in 1958 to Alan Cranston, who later became a United States Senator.
Document 5: Pete Goicoechea: Goicoechea was born in Salt Lake City and studied at Utah State University. He has owned a ranch since 1970 and also worked for many years for the Eureka County, Nevada road department. He served on the Eureka County Commission from 1987 to 2002 and then was elected to the Nevada State Assembly. He has also served as a member of the Nevada State Land Use Planning Advisory Council, the Nevada Grazing Board, and he has been the Director of the Nevada Water Resource Association. He is affiliated with the Eureka Volunteer Fire Department, E Clampus Vitus, the Humboldt River Authority, and the Nevada Rural Health Center. Goicoechea is a Catholic. He and his wife Glady are the parents of two children.
Document 6: Allen, California: Allen is an unincorporated community in Amador County, California. It is located on the Bear River, at an elevation of 8,113 feet (2,473 m).
Document 7: River Pines, California: River Pines is a census-designated place in Amador County, California. It is located north-northeast of Fiddletown, at an elevation of 1985 feet (605 m). A post office opened at River Pines in 1948; it has the zip code of 95675. River Pines has a population of 379 (2010 census).
Document 8: Bernard Coy: Coy was a native of Kentucky who turned to crime during the Great Depression and, in 1937, was sentenced to 25 years imprisonment. He was transferred to Alcatraz from Atlanta in 1938 and was later given the position of cell-house orderly which allowed him access through most of the main cell-block on Alcatraz. This relative freedom allowed him to spot a tiny flaw in one of the prison's security features, the bars of the gun-gallery overlooking the cell house. Coy along with Joe Cretzer, Marvin Hubbard, Sam Shockley, Miran Thompson, and Clarence Carnes planned to break into the gun galleries to steal weapons, take hostages and then flee to the dock. He was successful in creating a makeshift bar-spreader that enabled him to get through the relatively weak bars that protected the gun galleries and overpower the unsuspecting guard on his return from investigating a fabricated incident caused by Shockley in the prison's secure unit, D-Block.
Document 9: Bear Valley, Alpine County, California: Bear Valley is a census-designated place in Alpine County, California. The population was 121 at the 2010 census, down from 133 at the 2000 census. The town is accessible by State Route 4. Bear Valley is within the Stanislaus National Forest. Although inside Alpine County, Bear Valley Fire Department has contracted with California Department of Forestry, San Andreas, for dispatching.
Document 10: David C. Westenhaver: Born in Berkeley County, West Virginia, Westenhaver received a Bachelor of Laws from Georgetown Law in 1886. He was in private practice in Martinsburg, West Virginia from 1886 to 1903, serving as a prosecuting attorney of Berkeley County from 1886 to 1887, and as a member of the Martinsburg City Council from 1902 to 1903. He then moved his practice to Cleveland, Ohio from 1903 to 1917, and was a member of the Board of Education of Cleveland from 1912 to 1915.
Document 11: Al Tahoe, California: Al Tahoe is a former unincorporated community now incorporated in South Lake Tahoe in El Dorado County, California. It lies at an elevation of 6253 feet (1906 m). The community was named for the Al Tahoe Hotel, which was built in 1907 by Almerin R. Sprague. In the 1800's, the community used to be called Rowlands.
Document 12: Black Bear Ranch: Black Bear Ranch is an 80-acre intentional community located in Siskiyou County, California, about 25 miles from Forks of Salmon. It was founded in 1968, with the slogan "free land for free people". It has been considered by some participants and commentators to be one of the more radical examples of communal living/intentional communities that grew out of the counterculture of the 1960s.
Document 13: Southern California: Subsequently, Californios (dissatisfied with inequitable taxes and land laws) and pro-slavery southerners in the lightly populated "Cow Counties" of southern California attempted three times in the 1850s to achieve a separate statehood or territorial status separate from Northern California. The last attempt, the Pico Act of 1859, was passed by the California State Legislature and signed by the State governor John B. Weller. It was approved overwhelmingly by nearly 75% of voters in the proposed Territory of Colorado. This territory was to include all the counties up to the then much larger Tulare County (that included what is now Kings, most of Kern, and part of Inyo counties) and San Luis Obispo County. The proposal was sent to Washington, D.C. with a strong advocate in Senator Milton Latham. However, the secession crisis following the election of Abraham Lincoln in 1860 led to the proposal never coming to a vote.
Document 14: Allen Center, Ohio: Allen Center is an unincorporated community in Allen Township, Union County, Ohio, United States. It is located at , at the intersection of Allen Center and Bear Swamp roads.
Document 15: Warner Cope: Born in Kentucky, Cope came to California in 1850 and tried mining, but found little success. In 1853 he resumed work as an attorney, first in El Dorado County and the next year in Jackson, Amador County. In October 1858, he was elected to the California State Assembly from Amador as a Democrat.
ground_truth: El Dorado County
sub_queries: Allen >> located in the administrative territorial entity Answer: Amador County
Amador County >> shares border with Answer: El Dorado County