Question: William Orman Beerman was born in a city in northeastern Kansas that is the county seat of what county?

Context paragraphs:
Area code 913: Area code 913 is the area code for telephone exchanges in northeastern Kansas.  Prior to July 20, 1997, 913 covered all of northern Kansas from the Colorado state line to the Missouri state line.  It has since been reduced to a small ribbon of eight counties bordering Missouri--an area largely coextensive with the Kansas portion of the Kansas City Metropolitan Area.

Atchison County, Kansas: Atchison County (county code AT) is a county located in northeastern Kansas, in the Central United States.  As of the 2010 census, the county population was 16,924.  Its county seat and most populous city is Atchison.  The county is named in honor of David Rice Atchison, a United States Senator from Missouri.

KCUR-FM: KCUR 89.3 is the flagship NPR station in the Kansas City metropolitan area.  It is a service of the University of Missouri-Kansas City, and broadcasts at 89.3 MHz with an ERP of 100,000 watts and covers a 90-mile radius in Northwestern Missouri and Northeastern Kansas.

K-5 (Kansas highway): K-5 is a 24 mi state highway in northeastern Kansas.  Remaining completely in the Kansas City metropolitan area, it connects Leavenworth to Kansas City.

Olathe, Kansas: Olathe ( ) is a city in, and is the county seat of, Johnson County, Kansas, United States.  Located in northeastern Kansas, it is also the fourth most populous city in the state, with a population of 125,872 recorded by the 2010 census.  Olathe is also the fourth-largest city in the Kansas City metropolitan area.  It is bordered by the cities of Lenexa to the north, Overland Park to the east, De Soto to the northwest, and Gardner to the southwest.

William O. Beeman: William Orman Beeman is an actor, author, singer, Middle East expert, and professor of anthropology at The University of Minnesota, where he is Chair of the Department of Anthropology.  For many years he was Professor of Anthropology; Theatre, Speech and Dance; and East Asian Studies at Brown University.  Born in Manhattan, Kansas, Beeman was the recipient of an award named in honour of opera baritone, George London.  From 1996-1999 Beeman sang under contract with Oper Chemnitz in the German city of Chemnitz.  He authored the book: "The Third Line: The Opera Performer as Interpreter" with opera stage director Daniel Helfgot.

Hickory Corner, Indiana: Hickory Corner is an unincorporated community in the northwest corner of Marion Township, Owen County, in the U.S. state of Indiana.  It lies near the intersection of County Road 1500 West and Orman Road, which is a community about twenty miles west of the city of Spencer, the county seat.  Its elevation is 643 feet (196 m), and it is located at (39.3050422 -87.0444564).

Johnston Library: The Johnston Library is a historic library located at 210 W. 10th St. in Baxter Springs, Kansas.  The building was constructed in 1872 to serve as a courthouse during Baxter Springs' unsuccessful attempt to become the Cherokee County seat.  Though Baxter Springs had lost an election to choose the county seat in 1869 to Columbus, supporters of both cities had attempted to fraudulently swing the election in their favor, and Baxter Springs hoped it could still become county seat in the future.  The building initially served as the county jail and sheriff's office until Columbus completed its jail in 1880.  After this, Baxter Springs ultimately gave up its attempts to become the county seat, and the building became its city hall.  In 1905, resident Niles P. Johnston bequeathed $5,000 to the city to start a library, and the city hall building was chosen to house it.

Manhattan, Kansas: Manhattan is a city in northeastern Kansas in the United States at the junction of the Kansas River and Big Blue River.  It is the county seat of Riley County, although it extends into Pottawatomie County.  As of the 2010 census, the city population was 52,281.

Ioway Reservation: The Iowa Reservation of the Iowa Tribe of Kansas and Nebraska straddles the borders of southeast Richardson County in southeastern Nebraska and Brown and Doniphan Counties in northeastern Kansas.  Tribal headquarters are west of White Cloud, Kansas.  The reservation was defined in a treaty from March 1861.  Today the tribe operates Casino White Cloud on the reservation.

Supporting paragraphs: William O. Beeman Manhattan, Kansas
Answer: Riley County