Question: When will the next senator be seated, from the state that contains the county, where the coal town of Century is located?

full_context: Document 1: Centenary, Zimbabwe: Centenary is a village in Mashonaland Central province in Zimbabwe. On June 21, 2001, Centenary was a pilgrimage for those who wanted to see the total solar eclipse, as it was one of the few areas of Zimbabwe that witnessed it.
Document 2: 2017 United States Senate special election in Alabama: A special election for the United States Senate in Alabama is scheduled for December 12, 2017, to choose former Senator Jeff Sessions's successor for the term through January 3, 2021. Sessions resigned from the Senate in February 2017 to serve as U.S. Attorney General. Governor Robert J. Bentley chose Luther Strange, the Attorney General of Alabama, to succeed Sessions, filling the seat until the special election takes place. Although he had the power to schedule an election in 2017, Bentley initially decided to align it with the 2018 general election, before Kay Ivey, his successor, later moved the date up to December 12, 2017, scheduling the primary for August 15 and primary runoff for September 26.
Document 3: Dixie Bibb Graves: Dixie Bibb Graves (July 26, 1882 – January 21, 1965) was a First Lady from the state of Alabama, and the first woman United States Senator from Alabama.
Document 4: Clio, Alabama: Clio is a city in Barbour County, Alabama, United States. The population was 1,399 at the 2010 census, down from 2,206 in 2000, at which time it was a town. It is the birthplace of former Alabama governor George C. Wallace, as well as Baseball Hall of Famer and current Atlanta Braves broadcaster Don Sutton.
Document 5: Barbour County, West Virginia: The median income for a household in the county was $24,729, and the median income for a family was $29,722. Males had a median income of $24,861 versus $17,433 for females. The per capita income for the county was $12,440. 22.60% of the population and 18.40% of families were below the poverty line. Out of the total population, 32.00% of those under the age of 18 and 16.70% of those 65 and older were living below the poverty line.
Document 6: 2017 United States Senate special election in Alabama: A special election for the United States Senate in Alabama took place on December 12, 2017, to fill a vacancy in the Senate through the end of the term ending on January 3, 2021, arising from the resignation on February 8, 2017, of Jeff Sessions to serve as U.S. Attorney General. Democratic candidate Doug Jones defeated Republican candidate Roy Moore by a margin of 21,924 votes (1.7%). Jones is the first Democrat to win a U.S. Senate seat in the state since 1992.
Document 7: 2017 United States Senate special election in Alabama: After the election, Moore filed a lawsuit attempting to block the state from certifying the election and calling for an investigation into voter fraud. On December 28, 2017, a judge dismissed this lawsuit and state officials certified the election results, officially declaring Doug Jones the winner. Jones was sworn into office on January 3, 2018, by Vice President Mike Pence. Jones became the first Democrat to win a statewide race in Alabama since former Lieutenant Governor Lucy Baxley was elected President of the Alabama Public Service Commission in 2008 over Republican Twinkle Andress Cavanaugh. Prior to that, Democrat Jim Folsom Jr. was elected Lieutenant Governor of Alabama in 2006 over Republican Luther Strange. The last Democrat to win a federal statewide election in Alabama was Richard Shelby in 1992, who switched to the Republican Party in late 1994.
Document 8: Clark County Government Center: The Clark County Government Center serves as the government center building for Clark County, Nevada. It is located in Downtown Las Vegas. The complex designed by Fentress Bradburn and opened in 1995 consists of a six-story county administration building, three one-story buildings for the county commissioners’ chambers, a multipurpose community facility and a central plant. It includes space for government administration, a law enforcement complex, a performing arts complex, a child-care facility and structured parking. It also contains a single-story auditorium, a pyramid-shaped cafeteria and a cylindrical, six-story reception hall, as well as office buildings.
Document 9: 2017 United States Senate special election in Alabama: Jones was sworn into office on January 3, 2018, becoming the first Democratic U.S. Senator from Alabama since Howell Heflin's retirement in 1997.
Document 10: Centennial, Wyoming: Centennial is a census-designated place (CDP) in Albany County, Wyoming, United States. The population was 270 at the 2010 census.
Document 11: Century, West Virginia: Century is a census-designated place and coal town in Barbour County, West Virginia, USA. Its population was 115 as of the 2010 census.
Document 12: Cass, West Virginia: Cass is a census-designated place (CDP) on the Greenbrier River in Pocahontas County, West Virginia, USA. As of the 2010 census, its population was 52. The town, founded in 1901, was named for Joseph Kerr Cass, vice president and cofounder of the West Virginia Pulp and Paper Company.
Document 13: Alice Springs Correctional Centre: The Alice Springs Correctional Centre, an Australian medium to maximum security prison for males and females, is located outside Alice Springs, Northern Territory, Australia. The centre is managed by Northern Territory Correctional Services, an agency of the Department of Justice of the Government of the Northern Territory. The centre detains sentenced and charged felons under Northern Territory and/or Commonwealth law.
Document 14: Ventress Correctional Facility: Ventress Correctional Facility is an Alabama Department of Corrections state prison for men located in Clayton, Barbour County, Alabama. Opened in August 1990 with a capacity for 1650 inmates, Ventress was the state's first correctional facility dedicated to drug and alcohol treatment as its primary mission.
Document 15: Spring Creek Correctional Center: Spring Creek Correctional Center is an Alaska Department of Corrections maximum security prison for men located in Seward, Alaska, United States. The prison is located approximately south of Anchorage. The prison is located on about of land surrounded by national parks. The prison capacity consists of over 500 inmates and 97 correctional officers. Built as a decentralized campus, the prison construction was completed in 1988 at a cost of $44,678,000. A large portion of the prisoner population consists of "hard core" felons who committed violent crimes, such as murder. The Alaska DOC says that these prisoners "will probably spend the rest of their life in prison." Spring Creek also houses prisoners who committed less serious crimes like assault and burglary and usually have sentences from three years to ten years.
ground_truth: January 3, 2018
sub_queries: Century >> located in the administrative territorial entity Answer: Barbour County
Barbour County >> located in the administrative territorial entity Answer: Alabama
when will the next senator from Alabama be seated Answer: January 3, 2018