Question: What country contains the community of Walnut Corner, in the county where Whitewater is found, in the state that refused to integrate its schools in 1957?

full_context: Document 1: Dwight D. Eisenhower: In November 1956, Eisenhower forced an end to the combined British, French and Israeli invasion of Egypt in response to the Suez Crisis, receiving praise from Egyptian president Gamal Abdel Nasser. Simultaneously he condemned the brutal Soviet invasion of Hungary in response to the Hungarian Revolution of 1956. He publicly disavowed his allies at the United Nations, and used financial and diplomatic pressure to make them withdraw from Egypt. Eisenhower explicitly defended his strong position against Britain and France in his memoirs, which were published in 1965.
Document 2: Whitewater, Montana: Whitewater is a census-designated place and unincorporated community in Phillips County, Montana, United States. Its population was 64 as of the 2010 census. Whitewater has a post office with ZIP code 59544.
Document 3: Walnut Corner, Phillips County, Arkansas: Walnut Corner is an unincorporated community in Phillips County, Arkansas, United States. Walnut Corner is located at the junction of U.S. Route 49, Arkansas Highway 1, and Arkansas Highway 85, south-southwest of Lexa.
Document 4: Wheatland, Montana: Wheatland is a census-designated place (CDP) in Broadwater County, Montana, United States. The population was 568 according to the 2010 census.
Document 5: Whitewater Ski Resort: Whitewater Ski Resort is a ski resort located a 25-minute drive from Nelson in southern British Columbia, Canada. The resort is situated in Ymir bowl, beneath the high Ymir Mountain, in the Selkirk Mountains. The Selkirks receive plentiful, dry snow, and the location in a high alpine bowl provides an annual snowfall average of approximately . The elevation of the parking lot is and the highest lift accessed point is . While Ymir Peak is not included within the ski area boundary, lifts climb both shoulders of the bowl and provide easy traverse routes along ridges to the top. In addition to its snow, the resort is renowned for its tree skiing and steep runs; only 20% of the runs are beginner, while 40% are intermediate and the remaining 40% are advanced. Areas surrounding Whitewater, including West Arm Provincial Park, are renowned for easy access for backcountry split boarding and ski touring.
Document 6: Dwight D. Eisenhower: Eisenhower told District of Columbia officials to make Washington a model for the rest of the country in integrating black and white public school children. He proposed to Congress the Civil Rights Act of 1957 and of 1960 and signed those acts into law. The 1957 act for the first time established a permanent civil rights office inside the Justice Department and a Civil Rights Commission to hear testimony about abuses of voting rights. Although both acts were much weaker than subsequent civil rights legislation, they constituted the first significant civil rights acts since 1875.
Document 7: Little Rock Nine: The Little Rock Nine was a group of nine African American students enrolled in Little Rock Central High School in 1957. Their enrollment was followed by the Little Rock Crisis, in which the students were initially prevented from entering the racially segregated school by Orval Faubus, the Governor of Arkansas. They then attended after the intervention of President Dwight D. Eisenhower.
Document 8: Stillwater River (Stillwater County, Montana): The Stillwater River is a tributary of the Yellowstone River. Approximately 70 miles (113 km) long, it runs through southern Montana in the United States.
Document 9: Montana: Montana has 56 counties with the United States Census Bureau stating Montana's contains 364 "places", broken down into 129 incorporated places and 235 census-designated places. Incorporated places consist of 52 cities, 75 towns, and two consolidated city-counties. Montana has one city, Billings, with a population over 100,000; and two cities with populations over 50,000, Missoula and Great Falls. These three communities are considered the centers of Montana's three Metropolitan Statistical Areas.
Document 10: Four Corners, Contra Costa County, California: Four Corners is an unincorporated community in Contra Costa County, California, United States. It is located north-northeast of Walnut Creek, at an elevation of 49 feet (15 m).
Document 11: Dwight D. Eisenhower: In 1957, the state of Arkansas refused to honor a federal court order to integrate their public school system stemming from the Brown decision. Eisenhower demanded that Arkansas governor Orval Faubus obey the court order. When Faubus balked, the president placed the Arkansas National Guard under federal control and sent in the 101st Airborne Division. They escorted and protected nine black students' entry to Little Rock Central High School, an all-white public school, for the first time since the Reconstruction Era. Martin Luther King Jr. wrote to Eisenhower to thank him for his actions, writing "The overwhelming majority of southerners, Negro and white, stand firmly behind your resolute action to restore law and order in Little Rock".
Document 12: Poplar Corner, Arkansas: Poplar Corner is an unincorporated community in Mississippi County, Arkansas, United States. Poplar Corner is located at the junction of Arkansas highways 77 and 119, north of Manila.
Document 13: Wabash, Arkansas: Wabash is an unincorporated community in Phillips County, Arkansas, United States. Wabash is located on Arkansas Highway 44, south-southwest of Lake View. Wabash has a post office with ZIP code 72389.
Document 14: National Register of Historic Places listings in Phillips County, Arkansas: This is intended to be a complete list of the properties and districts on the National Register of Historic Places in Phillips County, Arkansas, United States. The locations of National Register properties and districts for which the latitude and longitude coordinates are included below, may be seen in a map.
Document 15: Dwight D. Eisenhower: In the immediate years after Eisenhower left office, his reputation declined. He was widely seen by critics as an inactive, uninspiring, golf-playing president compared to his vigorous young successor. Despite his unprecedented use of Army troops to enforce a federal desegregation order at Central High School in Little Rock, Eisenhower was criticized for his reluctance to support the civil rights movement to the degree that activists wanted. Eisenhower also attracted criticism for his handling of the 1960 U-2 incident and the associated international embarrassment, for the Soviet Union's perceived leadership in the nuclear arms race and the Space Race, and for his failure to publicly oppose McCarthyism.
ground_truth: U.S.
sub_queries: What state refused to integrate its schools in 1957? Answer: Arkansas
Whitewater >> located in the administrative territorial entity Answer: Phillips County
Walnut Corner, Phillips County , #1 >> country Answer: U.S.