Question: What is the county seat of the county in which Humboldt, Kansas exists?

full_context: Document 1: Port Allen, Hawaii: Port Allen is a populated place at Hanapepe Bay, 20 nautical miles from Nawiliwili, in Kauai County, in the U.S. state of Hawaii. Originally named ʻ Eleʻ ele Landing, terminal owner Kauai Railway renamed it for Honolulu business man and port financial backer Samuel Clesson Allen. When the Civilian Conservation Corps Camp in Koke'e State Park was built in 1935, the lumber for the camp was floated ashore at Port Allen. Captain James Cook landed on Kauai in this area. The facilities were demolished in 1982 by Hurricane Iwa, but eventually rebuilt.
Document 2: Lawrence, Kansas: Lawrence is the county seat of Douglas County and sixth largest city in Kansas. It is located in the northeastern sector of the state, next to Interstate 70, between the Kansas and Wakarusa Rivers. As of the 2010 census, the city's population was 87,643. Lawrence is a college town and the home to the University of Kansas and Haskell Indian Nations University.
Document 3: Southeast Kansas: Southeast Kansas is a region of the U.S. state of Kansas. It can be roughly defined by Woodson County in the northwest, Bourbon County in the northeast, Cherokee County in the southeast, and Montgomery County in the southwest. Geographically it is dominated by a broad rolling landscape located between the Flint Hills to the west and includes the Ozarks to the southeast. Some notable towns there include Pittsburg, Parsons, Coffeyville, Independence, Chanute, Fort Scott, and Iola. The region has a land area of 13,624.13 km² (5,260.30 sq mi) and a 2000 census population of 180,815 inhabitants. It has 6.43% of the state's land area and 6.726% of its population. It is dominated by a broad rolling landscape that includes the Ozarks. It receives more precipitation than any other part of Kansas. Southeast Kansas is located in the tallgrass prairie ecosystem of North America. Originally inhabited by several Native American tribes, frontier towns largely dependent on cattle ranching, and mining, were wracked by violence over the issue of slavery both before and during the American Civil War. Southeast Kansas offers one of the premier reconstructions of early life in the United States Army at Fort Scott National Historic Site.
Document 4: Chase County, Kansas: Chase County (county code CS) is a county located in the U.S. state of Kansas. As of the 2010 census, the county population was 2,790. Its county seat and most populous city is Cottonwood Falls. The center of population of Kansas is located in Chase County, about four miles north of Strong City.
Document 5: Humboldt County, Iowa: Humboldt County is a county in the U.S. state of Iowa. As of the 2010 census, the population was 9,815. The county seat is Dakota City. The county was created in 1857 and named in honor of Alexander von Humboldt.
Document 6: Beaver Township, Humboldt County, Iowa: Beaver Township is one of twelve townships in Humboldt County, Iowa, USA. As of the 2000 census, its population was 351. Beaver Township also contains the county seat of Humboldt County, Dakota City.
Document 7: Allen County, Kentucky: Allen County is a county located in the U.S. state of Kentucky. As of the 2010 census, the population was 19,956. Its county seat is Scottsville. The county is named for Colonel John Allen, a state senator and soldier who was killed leading the 1st Regiment of Kentucky Rifleman at the Battle of Frenchtown, Michigan during the War of 1812. Allen County is a prohibition or completely dry county. It was formed in 1815 from parts of Barren and Warren counties.
Document 8: Allen County, Kansas: Allen County (county code AL) is a county located in southeast portion of the U.S. state of Kansas. It is 504 square miles, or 322,560 acres in size. As of the 2010 census, the population was 13,371. Its county seat and most populous city is Iola.
Document 9: Allen County Museum: The Allen County Museum is located in the city of Lima, the county seat of Allen County, Ohio, United States. Occupying a half city block, the museum campus includes the main museum building, a log house, the MacDonell House (a Victorian mansion), a Shay Locomotive display, Military/Transportation building, the Children's Museum, and the Children's Garden. The museum is accredited by the American Alliance of Museums. According to recent reports of the American Alliance of Museums Accreditation Department, less than 800 museums, out of more than 11,000 in the United States, are accredited. Standards for accreditation apply across the board to both small and large institutions.
Document 10: Humboldt, Kansas: Humboldt is a city in Allen County, Kansas, United States. It is situated along the Neosho River. As of the 2010 census, the city population was 1,953.
Document 11: Ellis County, Kansas: Ellis County (county code EL) is a county located in the U.S. state of Kansas. As of the 2010 census, the county population was 28,452. Its county seat and most populous city is Hays.
Document 12: Alliance, Nebraska: Alliance is a city in Box Butte County, in the northwestern part of the state of Nebraska, in the Great Plains region of the United States. Its population was 8,491 at the 2010 census. It is the county seat of Box Butte County.
Document 13: Johnson County, Kansas: Johnson County (county code JO) is a county located in the U.S. state of Kansas. As of the 2010 census, the county population was 544,179, making it the most populous county in Kansas. Its county seat is Olathe, and its most populous city is Overland Park.
Document 14: Iola, Kansas: Iola (pronounced ) is a city situated along the Neosho River in the northwestern part of Allen County, located in Southeast Kansas, in the Central United States. As of the 2010 census, the city population was 5,704. Iola is the county seat of Allen County. It is named in honor of Iola Colborn.
Document 15: Bassett, Kansas: Bassett is a city situated along the Neosho River in the west-central part of Allen County, located in southeast Kansas, in the central United States of America. As of the 2010 census, the city population was 14.
ground_truth: Iola