Question: Willard is a city in Greene County, Missouri, it is part of the Springfield, the third-largest city in the state of Missouri and the county seat of Greene County, in which country?

Context paragraphs:
Greene County Courthouse (Missouri): Greene County Courthouse, also known as Historic Greene County Courthouse, is a historic courthouse located at Springfield, Greene County, Missouri.  It was built between 1910 and 1912, and is a four-story, Classical Revival style rusticated stone building.  It has a flat roof and low dome over a rotunda.  The front facade features a free colonnade of four Ionic order columns that extend the height of the upper two floors.  Also on the property are the contributing bronze replica of the Statue of Liberty, the stone bases of two columns from the former courthouse, and a World War I cannon.  It was the seat of Greene County government until a new Judicial Courts Building and Justice Center were built in the 1990s.

Carrollton, Illinois: Carrollton is a city in Greene County, Illinois, United States.  The population was 2,484 as of the 2010 census.  It is the county seat of Greene County.

Eutaw, Alabama: Eutaw ( ) is a city in Greene County, Alabama, United States.  At the 2010 census the population was 2,934.  The city is the county seat of Greene County and was named in honor of the Battle of Eutaw Springs, the last engagement of the American Revolutionary War in the Carolinas.

Willard, Missouri: Willard is a city in Greene County, Missouri, United States.  As of the 2010 census, the city population was 5,288.  It is part of the Springfield, Missouri Metropolitan Statistical Area.

Springfield–Branson National Airport: Springfield–Branson National Airport (IATA: SGF, ICAO: KSGF, FAA LID: SGF) (formerly Springfield–Greene County Airport, Springfield Municipal Airport, and Springfield–Branson Regional Airport) is a public airport located about five miles (8 km) northwest of Springfield, Missouri, in Greene County.  The airport has non-stop service to thirteen U.S. cities.

Springfield, Missouri: Springfield is the third-largest city in the state of Missouri and the county seat of Greene County.  As of the 2010 census, its population was 159,498.  As of 2016, the Census Bureau estimated its population at 167,319.  It is one of the two principal cities of the Springfield-Branson Metropolitan Area, which has a population of 541,991 and includes the counties of Christian, Dallas, Greene, Polk, Webster, Stone and Taney.  Springfield's nickname is "Queen City of the Ozarks" and it is known as the "Birthplace of Route 66".  It is home to several universities, including Missouri State University, Drury University, and Evangel University.

Greene County, Missouri: Greene County is a county located in the U.S. state of Missouri.  As of the 2010 census, the population was 275,174, making it the fourth-most populous county in Missouri.  Its county seat is Springfield.  The county was organized in 1833 and is named after American Revolutionary War General Nathanael Greene.

Bloomfield, Indiana: Bloomfield is a town in Richland Township, Greene County, Indiana, United States.  The population was 2,405 at the 2010 census.  The city is the county seat of Greene County.

Greene County, Pennsylvania: Greene County is a county located in the U.S. state of Pennsylvania.  As of the 2010 census, the population was 38,686.  Its county seat is Waynesburg.  Greene County was created on February 9, 1796, from part of Washington County and named for General Nathanael Greene.

Antioch, Greene County, Indiana: Antioch is an unincorporated community in the southwestern part of Wright Township, Greene County, Indiana, United States.  It lies near the intersection of County Road 575 North and County Road 500 North, which is a community nearly twenty miles west of the city of Bloomfield, the county seat of Greene County.  Its elevation is 531 feet (162 m), and it is located at (39.0986542 -87.2375146).

Supporting paragraphs: Willard, Missouri Springfield, Missouri
Answer: United States