Question: Which county contains the birthplace of Joseph J. Davis?

full_context: Document 1: David Gardiner Tyler: Although born in New York, he went to school in Virginia and fought in the Confederate Army during the American Civil War. After attending college in Germany and Virginia, he became a lawyer. He later served in the Virginia State Senate, as a member of the United States House of Representatives from Virginia's second congressional district, and as a Virginia Circuit Court judge.
Document 2: North Carolina: In 1795, North Carolina opened the first public university in the United States—the University of North Carolina (now named the University of North Carolina at Chapel Hill). More than 200 years later, the University of North Carolina system encompasses 17 public universities including North Carolina State University, North Carolina A&T State University, North Carolina Central University, the University of North Carolina at Chapel Hill, the University of North Carolina at Greensboro, East Carolina University, Western Carolina University, Winston-Salem State University, the University of North Carolina at Asheville, the University of North Carolina at Charlotte, the University of North Carolina at Pembroke, UNC Wilmington, Elizabeth City State University, Appalachian State University, Fayetteville State University, and UNC School of the Arts, and . Along with its public universities, North Carolina has 58 public community colleges in its community college system.The largest university in North Carolina is currently North Carolina State University, with more than 34,000 students. North Carolina is home to many excellent universities as well as dozens of community colleges and private universities.
Document 3: North Carolina: North Carolina is also home to many well-known private colleges and universities, including Duke University, Wake Forest University, Pfeiffer University, Lees-McRae College, Davidson College, Barton College, North Carolina Wesleyan College, Elon University, Guilford College, Livingstone College, Salem College, Shaw University (the first historically black college or university in the South), Laurel University, Meredith College, Methodist University, Belmont Abbey College (the only Catholic college in the Carolinas), Campbell University, University of Mount Olive, Montreat College, High Point University, Lenoir-Rhyne University (the only Lutheran university in North Carolina) and Wingate University.
Document 4: Vanceboro, North Carolina: Vanceboro is a town in Craven County, North Carolina, United States. The population was 1,005 at the 2010 Census. Originally called Swift Creek, residents renamed the town for Zebulon B. Vance after he made a visit during his 1876 campaign for Governor. It is part of the New Bern, North Carolina Micropolitan Statistical Area.
Document 5: Elon, North Carolina: Elon (formerly known as Elon College) is a town in Alamance County, North Carolina, United States. It is part of the Burlington, North Carolina Metropolitan Statistical Area. The population as of the 2010 census was 9,419. The town of Elon is home to Elon University.
Document 6: Raleigh, North Carolina: Raleigh is home to numerous cultural, educational, and historic sites. The Duke Energy Center for the Performing Arts in Downtown Raleigh features three theater venues and serves as the home for the North Carolina Symphony and the Carolina Ballet. Walnut Creek Amphitheatre is a large music amphitheater located in Southeast Raleigh. Museums in Raleigh include the North Carolina Museum of Art in West Raleigh, as well as the North Carolina Museum of History and North Carolina Museum of Natural Sciences located next to each other near the State Capitol in Downtown Raleigh. Several major universities and colleges call Raleigh home, including North Carolina State University, the largest public university in the state, and Shaw University, the first historically black university in the American South and site of the foundation of the Student Nonviolent Coordinating Committee, an important civil rights organization of the 1960s. One U.S. president, Andrew Johnson, was born in Raleigh.
Document 7: Joseph J. Davis: Born near the small North Carolina town of Louisburg, Davis attended Louisburg Academy, Wake Forest College and the College of William and Mary. He graduated from the law department of the University of North Carolina at Chapel Hill in 1850 and was admitted to the bar the same year, commencing practice in Oxford, North Carolina and later Louisburg, North Carolina. During the Civil War, he served as captain of Company G in the 47th North Carolina Infantry Regiment in the Confederate Army.
Document 8: Jefferson Davis: Davis was born in Fairview, Kentucky, to a moderately prosperous farmer, the youngest of ten children. He grew up in Wilkinson County, Mississippi, and also lived in Louisiana. His eldest brother Joseph Emory Davis secured the younger Davis's appointment to the United States Military Academy. After graduating, Jefferson Davis served six years as a lieutenant in the United States Army. He fought in the Mexican–American War (1846–1848), as the colonel of a volunteer regiment. Before the American Civil War, he operated a large cotton plantation in Mississippi, which his brother Joseph gave him, and owned as many as 113 slaves. Although Davis argued against secession in 1858, he believed that states had an unquestionable right to leave the Union.
Document 9: Josiah Bailey: Born in Warrenton, North Carolina, he grew up in Raleigh and graduated from Wake Forest College (now Wake Forest University). Before turning to a career in law, Bailey was editor of the "Biblical Recorder", a newspaper for North Carolina Baptists.
Document 10: Graham Calder Mullen: Born in Gastonia, North Carolina, Mullen received a Bachelor of Arts degree from Duke University in 1962 and a Juris Doctor from Duke University School of Law in 1969. He was a Lieutenant in the United States Navy from 1962 to 1966. He was then in private practice in Gastonia, North Carolina from 1969 to 1990.
Document 11: Josiah Scott: Josiah Scott was born at Washington County, Pennsylvania, not far from Cannonsburg, where he graduated from Jefferson College (now Washington & Jefferson College) in 1823. He returned to Jefferson College as a tutor from 1827 to 1829. He studied law and in 1830 he moved to Bucyrus, Crawford County, Ohio, where he practiced law.
Document 12: Raleigh, North Carolina: Raleigh (/ˈrɑːli/; RAH-lee) is the capital of the state of North Carolina as well as the seat of Wake County in the United States. It is the second most populous city in North Carolina, after Charlotte. Raleigh is known as the "City of Oaks" for its many oak trees, which line the streets in the heart of the city. The city covers a land area of 142.8 square miles (370 km2). The U.S. Census Bureau estimated the city's population to be 439,896 as of July 1, 2014. It is also one of the fastest-growing cities in the country. The city of Raleigh is named after Sir Walter Raleigh, who established the lost Roanoke Colony in present-day Dare County.
Document 13: John Davis (Massachusetts governor): Born in Northborough, Massachusetts, Davis attended Yale College before studying law in Worcester, Massachusetts, where he established a successful law practice. He spent 10 years (1824–34) in the United States House of Representatives as a National Republican (later Whig), where he supported protectionist tariff legislation. He won election as Governor of Massachusetts in a three-way race in 1833 that was decided by the state legislature. After two terms he was elected to the United States Senate, where he served most of one term, resigning early in 1841 after he was once again elected governor.
Document 14: Mecklenburg County, North Carolina: Mecklenburg County is a county located on the border in the southwestern part of the state of North Carolina, in the United States. As of the 2010 census, the population was 919,628. It increased to 1,034,070 as of the 2015 estimate, making it the most populous county in North Carolina and the first county in the Carolinas to surpass 1 million in population. Its county seat and largest city is Charlotte.
Document 15: Louisburg, North Carolina: Louisburg is a town in Franklin County, North Carolina, in the United States. As of the 2010 census, the town population was 3,359. It is the county seat of Franklin County. The town is located about 29 miles northeast from the state's capital Raleigh, North Carolina, and located about 31 miles south from the Virginia border line. It is also the home of Louisburg College, the oldest two-year coeducational college in the United States, and of one of the campuses of Vance-Granville Community College.
ground_truth: Franklin County
sub_queries: Joseph J. Davis >> place of birth Answer: Louisburg
Louisburg >> located in the administrative territorial entity Answer: Franklin County