Question: Union County Speedway is home to what type of motorsports that are usually held at county fairs and festivals?

Context paragraphs:
State fair: A state fair is an annual competitive and recreational gathering of a U.S. state's population, usually held in late summer or early fall.  It is a larger version of a county fair, often including only exhibits or competitors that have won in their categories at the more-local county fairs.

Tyler County Speedway: Tyler County Speedway is a 1/4 mile dirt oval located in Tyler County, southeast of Middlebourne, West Virginia.  Located at the Tyler County Fair Grounds, it hostes many large races such as the Hillbilly 100, Earl Hill Memorial, Topless 50, Eaton/Childers 'King of the Ring', Jackpot 100, and the Mega 100.  Classes currently raced at Tyler County Speedway are Super Late Models, FASTRAK Late Models, EDGE Modifieds, EDGE Hot Mods, Modlites, and Mini Wedges.

Hillbilly 100: The Hillbilly 100 is an annual dirt Super Late Model "Crown Jewel" race held every year on Labor Day weekend.  The Hillbilly Hundred, promoted by famed event promoter Carl Short, is the oldest running super late model event and brings enormous history and tradition to the state of West Virginia.  Started in 1967, the Hillbilly 100 was held at Pennsboro Speedway every year until 1998, when the race was moved to Tyler County Speedway in Middlebourne, West Virginia.  Then in 2010 the race moved to West Virginia Motor Speedway, and once again in 2012 to I-77 Raceway Park up until 2016.  Now the Hillbilly 100 is back at Tyler County Speedway where the 2009 event had a purse in excess of $125,000, with $1,000 to start the feature and $41,000 to win.  As of 2017 the race has a purse of $25,000.

Union County Speedway: Union County Speedway is a dirt racetrack in Liberty, Indiana, United States.  It features races with cars such as, late models, Modifieds, Sidestroke, Bombers, Road Hogs, and Street Stocks.  UCS is also host to dirtbike, quad, Mini-Sprint, and Demolition Derbies.

Bethel Motor Speedway: Bethel Motor Speedway is a quarter-mile asphalt oval race track, located near the site of the original Woodstock Music Festival in White Lake, New York.  The track was constructed in 1959, and opened for operations in 1960.  It has existed under several names, including White Lake Speedway, Catskill Mountain Speedway, Sullivan County Speedway, and Kauneonga Speedway.  The track closed in 2006 and remained idle through 2007.  Fred Graf Racing, LLC, purchased the speedway, and it reopened under new ownership bearing the Bethel Motor Speedway name on August 9, 2008.  Dave and Joanne Rocket, who promoted races at the speedway from 1998 until 2004, returned as promoters under the new owner.  The speedway was resurfaced in November 2010, providing a new racing surface for the 2011 season.  For the 2011 season, management of the speedway was assumed by Tracy Chirico, Business Operations Manager; and John Condit, Race Director.

Union County Vocational-Technical High School: The Union County Vocational-Technical High School (UC Tech) is a full-time vocational public high school, located in Scotch Plains in Union county, New Jersey, United States.  This school serves students in ninth through twelfth grades from across Union county as a career academy on the Union County Vocational Technical Schools Campus, which also includes the Union County Academy for Allied Health Sciences, Academy for Information Technology, Union County Magnet High School and the Academy for Performing Arts.

Demolition derby: Demolition derby is a motorsport usually presented at county fairs and festivals.  While rules vary from event to event, the typical demolition derby event consists of five or more drivers competing by deliberately ramming their vehicles into one another.  The last driver whose vehicle is still operational is awarded the victory.  Demolition derbies originated in the United States and quickly spread to other Western nations.  For example, Australia's first demolition derby took place in January 1963.

Union County, New Jersey: Union County is a county in the U.S. state of New Jersey.  As of the 2016 Census estimate, the county's population was 555,630, making it the seventh-most populous of the state's 21 counties, an increase of 3.6% from the 2010 United States Census, when its population was enumerated at 536,499, in turn an increase of 13,958 (2.7%) from the 522,541 enumerated in the 2000 Census.  In 2010, Union County slipped to the seventh-most populous county in the state, having been surpassed by Ocean County.  Union County is part of the New York metropolitan area.  Its county seat is Elizabeth.  The Bureau of Economic Analysis ranked the county as having the 119th-highest per capita income of all 3,113 counties in the United States (and the eighth-highest in New Jersey) in 2009.  A study by Forbes.com determined that Union County pays the second-highest property taxes of all U.S. counties, based on 2007 data.  With a population density of 4,955 people per square mile (water excluded), Union County was the 15th-most densely populated county in America as of the 2010 Census, and third-densest in New Jersey, behind Hudson County (ranked 6th nationwide at 9,754 per square mile) and Essex County (ranked 11th at 6,126).

Academy for Performing Arts: The Union County Academy for Performing Arts is a full-time four-year public magnet high school located in Scotch Plains, in Union County, New Jersey, United States, on the Union County Vocational Technical Schools Campus.  Its first year was the 2008-09 school year.  While the school originally offered two majors; theatre and dance; a program in technical theatre will be offered in the 2015-16 school year.  The school is part of the Union County Vocational Technical Schools (UCVTS), which serves students in all of Union County.

Union County Academy for Allied Health Sciences: The Union County Academy for Allied Health Sciences (UCAAHS) is a full-time Vocational public high school, located in Scotch Plains, in Union County, New Jersey, United States.  This school serves students in ninth through twelfth grades from across Union County as a career academy on the Union County Vocational Technical Schools Campus, which also includes the Academy for Information Technology, Union County Magnet High School, Academy for Performing Arts, and the Union County Vocational Technical High School.

Supporting paragraphs: Union County Speedway Demolition derby
Answer: Demolition derby