Title: Massac County, Illinois
Content:  Massac County is a county in the U.S. state of Illinois. According to the 2010 census, it had a population of 15,429. Established in 1843 and named for a French fort founded in the 18th century, its county seat is Metropolis. Massac County is included in the Paducah, KY-IL Micropolitan Statistical Area. It is located along the Ohio River, in the portion of the state known locally as "Little Egypt".
Title: Massac, Kentucky
Content:  Massac is a census-designated place (CDP) in McCracken County, Kentucky, United States. The population was 4,505 at the 2010 census, an increase from 3,888 in 2000. It is part of the Paducah, KY-IL Micropolitan Statistical Area.
Title: Massac, Kentucky
Content:  Massac is located at 37.03°N, -88.68139°W (37.030066, -88.681369). According to the United States Census Bureau, the CDP has a total area of 3.9 sqmi, all land.
Title: Massac County, Illinois
Content: Fort Massac 
Title: Massac County, Illinois
Content:  Ohio River. Southern Illinois was given the colloquial name of "Little Egypt." Massac County was not formally organized until February 8, 1843, when population had increased, and it was made up of territory from both Johnson and Pope counties. It was developed for agriculture. In the mid-19th century, after the revolutions of 1848, Illinois received many German immigrants, who changed the politics of the county. They were pro-Union and the Republican Party at the time of the American Civil War and after, whereas the ethnic Southerners had favored the Confederacy and Democratic Party. The ethnic German descendants today comprise nearly one-third of the population of Massac County.
Title: Massac County, Illinois
Content:  According to the U.S. Census Bureau, the county has a total area of 242 sqmi, of which 237 sqmi is land and 4.6 sqmi (1.9%) is water.
Title: Massack, California
Content:  Massack is an unincorporated community in Plumas County, California. It lies at an elevation of 3642 feet (1110 m). Massack is located on the Western Pacific Railroad, 3.5 mi northwest of Spring Garden. California State Route 89 runs through Massack. The Massack post office operated from 1917 to 1939, moving in 1937.
Title: Fort Massac
Content:  Fort Massac (or Fort Massiac) was a French colonial and early National-era fort on the Ohio River in Massac County, Illinois, United States. Its site was listed on the National Register of Historic Places in 1971.
Title: Massac, Kentucky
Content:  As of the census of 2000, there were 3,888 people, 1,610 households, and 1,189 families residing in the CDP. The population density was 1,005.7/sq mi (387.9/km2). There were 1,693 housing units at an average density of 437.9/sq mi (168.9/km2). The racial makeup of the CDP was 94.80% White, 2.70% African American, 0.26% Native American, 0.85% Asian, 0.05% Pacific Islander, 0.23% from other races, and 1.11% from two or more races. Hispanic or Latino of any race were 1.26% of the population. There were 1,610 households, out of which 34.4% had children under the age of 18 living with them, 60.5% were married couples living together, 10.7% had a female householder with no husband present, and 26.1% were non-families. 21.9% of all households were made up of individuals, and 7.0% had someone living alone who was 65 years of age or older. The average household 
Title: Madison County, Mississippi
Content:  Madison County is a county located in the U.S. state of Mississippi. As of the 2010 census, the population was 95,203. The county seat is Canton. The county is named for U.S. President James Madison. Madison County is part of the Jackson, MS Metropolitan Statistical Area.

Question: What is the capital of Massac County?
Answer: Metropolis.
Metropolis, Illinois.