Question: In the state in which Driftless is set what county contains Hillsboro (town) ?

full_context: Document 1: Hillsborough, California: Hillsborough is an incorporated town in San Mateo County, California, in the San Francisco Bay Area. It is located south of San Francisco on the San Francisco Peninsula, bordered by Burlingame to the north, San Mateo to the east, Highlands-Baywood Park to the south, and Interstate 280 to the west. The population was 11,273 as of 2013.
Document 2: A Scattered Life: Set in small-town Wisconsin and told with humor and pathos, "A Scattered Life" is the story of a friendship triangle between a young wife, her intrusive mother-in-law, and a baby-obsessed mother of five.
Document 3: Hillsboro, Indiana: Hillsboro is a town in Cain Township, Fountain County, Indiana, United States. The population was 538 at the 2010 census.
Document 4: Hillsboro (town), Wisconsin: Hillsboro is a town in Vernon County, Wisconsin, United States. The population was 766 at the 2000 census. The City of Hillsboro is located within the town. The unincorporated community of Trippville is also located in the town.
Document 5: Hill, Wisconsin: Hill is a town in Price County, Wisconsin, United States. The population was 364 at the 2000 census. Timms Hill, the highest point in Wisconsin, is located in the town of Hill.
Document 6: Kit's Wilderness: Kit's Wilderness is a children's novel by David Almond, published by Hodder Children's Books in 1999. It is set in a fictional English town in the northeast of the country and was based on the former coal-mining towns the author knew as a child growing up in Tyne and Wear. It was silver runner-up for the Smarties Prize in ages category 9–11 years, highly commended for the Carnegie Medal, and shortlisted for the Guardian Prize.
Document 7: 800 Words: George Turner is a popular columnist for a top selling Sydney newspaper, writing a weekly column which he insists must be exactly 800 words. After his wife dies, he buys - over the internet and unseen - a house in a (fictional) small New Zealand seaside town called Weld, where his parents took him on holiday as a child. He then has to break the news to his two teenage children, Shay and Arlo. But the colourful and inquisitive locals in Weld ensure Turner's dream of a fresh start does not go exactly to plan.
Document 8: Hillsboro Public Library: The Hillsboro Public Library is a two-location public library system in Hillsboro, Oregon, United States. First opened in 1914 in a Carnegie library building, the system provides services to a population area of 137,000 people. As of 2015, the system had a usage of 922,000 visits per year, with circulation nearly 3 million items per year. One library is located near downtown in Shute Park, with the other location in the central portion of the city near the airport. The Hillsboro Public Library is part of Washington County Cooperative Library Services (WCCLS), which ensures library service is available to all residents of Washington County. As of 2015, the director of the library is Stephanie Chase.
Document 9: Bill Johnson (author): Bill Johnson (born in the late 1950s in South Dakota) is a science fiction writer whose works often have a "regional" tone influenced by his South Dakota origins. This is particularly true of his story "We Will Drink a Fish Together," which in 1998 won the Hugo Award for Best Novelette. His 1999 collection is called "Dakota Dreamin". His novel "Heroes & Friends" came out in 2015.
Document 10: Hillsboro, Wisconsin: Hillsboro is a city in Vernon County, Wisconsin, United States. The population was 1,417 at the 2010 census. The city is located within the Town of Hillsboro. Hillsboro is known as the Czech Capital of Wisconsin.
Document 11: O Pioneers!: "O Pioneers!" tells the story of the Bergsons, a family of Swedish-American immigrants in the farm country near the fictional town of Hanover, Nebraska, at the turn of the 20th century. The main character, Alexandra Bergson, inherits the family farmland when her father dies, and she devotes her life to making the farm a viable enterprise at a time when many other immigrant families are giving up and leaving the prairie. The novel is also concerned with two romantic relationships, one between Alexandra and family friend Carl Linstrum and the other between Alexandra's brother Emil and the married Marie Shabata.
Document 12: Hillsboro Police Department (Oregon): The Hillsboro Police Department (HPD) is the municipal law enforcement agency of the city of Hillsboro, Oregon, United States. It is a regionally accredited agency with 127 sworn officers on the force. As of June 2016, the chief is Lee Dobrowolski in a city of over 90,000 residents west of Portland, Oregon, in Washington County. With 169 employees as of 2014, the department is the second largest police force in the county and seventh largest in Oregon.
Document 13: The Drifters (novel): The Drifters is a novel by Pulitzer Prize-winning author James A. Michener, published in 1971 by Random House. The novel follows six young characters from diverse backgrounds and various countries as their paths meet and they travel together through parts of Spain, Portugal, Morocco and Mozambique. The story is told from the perspective of the narrator, George Fairbanks, who is an investment analyst for the fictional company World Mutual Bank in Switzerland. Mr. Fairbanks is connected with nearly every character in some way, and they all seem to open up to him throughout the novel in one way or another.
Document 14: In the Lake of the Woods: In the Lake of the Woods (1994) is a novel by the American author Tim O'Brien. Related to issues of the Vietnam War theme, "In the Lake of the Woods" follows the struggle of John Wade to deal with a recently failed campaign for the United States Senate. After moving to Lake of the Woods, Minnesota, John discovers one morning that his wife Kathy is missing. Through the use of flashbacks of John's childhood, college years, and Vietnam experiences, as well as testimony and evidence from affected characters, the novel provides several hypotheses for the disappearance of Kathy Wade, leaving the decision up to the reader.
Document 15: Driftless: Driftless a winner of the Milkweed Editions National Fiction Prize, is a novel by David Rhodes that was published in 2008. It is set in the Driftless area of southwestern Wisconsin. The novel is about the inhabitants of the unincorporated town of Words, and it is told through their eyes and via the ways they interact with and impact one another.
ground_truth: Vernon County
sub_queries: Which place does Driftless exist in? Answer: Wisconsin
Hillsboro (town), Wisconsin >> located in the administrative territorial entity Answer: Vernon County