Question: What county contains the city where Matt Whiteside was born?

full_context: Document 1: Pat Keedy: Charles Patrick Keedy (born January 10, 1958, in Birmingham, Alabama) is a former collegiate and professional baseball player who played for Auburn University and three seasons for the California Angels, Chicago White Sox, and Cleveland Indians of Major League Baseball. Keedy is now the Vice Principal at Gardendale High School.
Document 2: Wade Moore: Moore was a graduate of the University of Kansas, lettering for the baseball team in 1898 and 1899, and the football team in 1899. Following his college playing career, Moore became the sixth head football coach for the Kansas State Wildcats in Manhattan, Kansas. He held that position for one season, in 1901, and his overall coaching record at Kansas State was 3 wins, 4 losses, and 1 tie. Moore also played in some of his team's games in 1901, kicking two field goals in a win over Bethany College.
Document 3: Matt Snider: Matthew "Matt" Kale Snider (born on January 26, 1976, in Des Moines, Iowa) is a former American football fullback from the University of Richmond. He graduated in 1999 with a Bachelor of Arts degree in Sports Science and Health. The Carolina Panthers offered him an NFL free agent contract in the spring of 1999. He spent the summer in Charlotte and went through three mini-camps with the club, but they released him after the third. The Green Bay Packers then offered him a two-year contract in July 1999, and Snider made the roster as the back-up fullback and special teams performer after coming into camp as the fourth-string fullback. One highlight of his career at Green Bay was a 66-yard touchdown reception at Lambeau Field.
Document 4: Matt Whiteside: Matthew Christopher Whiteside (born August 8, 1967 in Charleston, Missouri) is a former baseball pitcher. He graduated from Charleston High School in Charleston, Missouri, lettering in baseball, football, and basketball, in 1986, and then he attended Arkansas State University, graduating with a degree in physical education. While at Arkansas, Whiteside joined Pi Kappa Alpha fraternity.
Document 5: Charlotte, Tennessee: Charlotte is a town in Dickson County, Tennessee, United States. The population was 1,235 at the 2010 census. It is the county seat of Dickson County. This town is part of the Nashville metropolitan area.
Document 6: Delta, Missouri: Delta is a city in Cape Girardeau County, Missouri, United States. The population was 438 at the 2010 census. It is part of the Cape Girardeau–Jackson, MO-IL Metropolitan Statistical Area.
Document 7: Chuck Malone: Charles Ray Malone (born July 8, 1965) is a former relief pitcher who played briefly for the Philadelphia Phillies during the season. Listed at 6' 7", 250 lb., Malone batted and threw right-handed. He attended Arkansas State University.
Document 8: Ray Durham: He graduated from Harry P. Harding High School (now Harding University High School) in Charlotte, North Carolina in 1990, where he played baseball and football. He was on the state select baseball team and was an honorable mention All-American defensive back. He did not attend college as he began playing minor league baseball with the Gulf Coast White Sox. Ray Durham was originally a 5th round pick by the Chicago White Sox in 1990. Durham has not played since the 2008 season and is enjoying retired life with his wife Regina and their three children.
Document 9: Keefe Cato: Cato graduated from Fairfield University, where he played college baseball for the Stags and holds many Fairfield pitching records including seven career shutouts and one no-hitter. He was the first Fairfield athlete to play in a major professional sport on the major league level after being selected by the Cincinnati Reds in the second round of the 1979 Major League Baseball Draft.
Document 10: Southwest City, Missouri: Southwest City is a city in McDonald County, Missouri, United States. The population was 937 at the 2010 census, at which time it was a town. It is part of the Fayetteville–Springdale–Rogers, AR-MO Metropolitan Statistical Area and is located in the southwestern corner of the state of Missouri.
Document 11: Charleston, South Carolina: Charleston is the oldest and largest city in the U.S. state of South Carolina, the county seat of Charleston County, and the principal city in the Charleston -- North Charleston -- Summerville Metropolitan Statistical Area. The city lies just south of the geographical midpoint of South Carolina's coastline and is located on Charleston Harbor, an inlet of the Atlantic Ocean formed by the confluence of the Ashley and Cooper rivers. Charleston had an estimated population of 134,385 in 2016. The estimated population of the Charleston metropolitan area, comprising Berkeley, Charleston, and Dorchester counties, was 761,155 residents in 2016, the third - largest in the state and the 78th - largest metropolitan statistical area in the United States.
Document 12: Center, Missouri: Center is a city in Ralls County, Missouri, United States. The population was 508 at the 2010 census. It is part of the Hannibal Micropolitan Statistical Area.
Document 13: Charleston, South Carolina: The Charleston-North Charleston-Summerville Metropolitan Statistical Area consists of three counties: Charleston, Berkeley, and Dorchester. As of the 2013 U.S. Census, the metropolitan statistical area had a total population of 712,239 people. North Charleston is the second-largest city in the Charleston-North Charleston-Summerville Metropolitan Statistical Area and ranks as the third-largest city in the state; Mount Pleasant and Summerville are the next-largest cities. These cities combined with other incorporated and unincorporated areas along with the city of Charleston form the Charleston-North Charleston Urban Area with a population of 548,404 as of 2010. The metropolitan statistical area also includes a separate and much smaller urban area within Berkeley County, Moncks Corner (with a 2000 population of 9,123).
Document 14: St. Charles, Missouri: St. Charles is a city in, and the county seat of, St. Charles County, Missouri, United States. The population was 65,794 at the 2010 census, making St. Charles the ninth - largest city in Missouri. It lies to the northwest, and is a suburb of St. Louis, Missouri on the Missouri River.
Document 15: Charleston, Missouri: Charleston is a city in Mississippi County, Missouri, United States. The population was 5,947 at the 2010 census. It is the county seat of Mississippi County. It is a home to a local correctional facility.
ground_truth: Mississippi County
sub_queries: Matt Whiteside >> place of birth Answer: Charleston
Charleston >> located in the administrative territorial entity Answer: Mississippi County