Question: What region of the country contains the state which contains the city where the documentary A City Decides was set and a college called Washington University is located?

full_context: Document 1: The Living City: The Living City is a 1953 American short documentary film about Chicago, by Haskell Wexler and John Barnes. It was nominated for an Academy Award for Best Documentary Short.
Document 2: Washington University in St. Louis: Washington University in St. Louis (WashU, or WUSTL) is a private research university in St. Louis, Missouri. Founded in 1853, and named after George Washington, the university has students and faculty from all 50 U.S. states and more than 120 countries. As of 2017, 24 Nobel laureates in economics, physiology and medicine, chemistry, and physics have been affiliated with Washington University, nine having done the major part of their pioneering research at the university.Washington University is made up of seven graduate and undergraduate schools that encompass a broad range of academic fields. To prevent confusion over its location, the Board of Trustees added the phrase "in St. Louis" in 1976.
Document 3: A City Decides: A City Decides is a 1956 American short documentary film directed by Charles Guggenheim about the racial integration of St. Louis Public Schools. It was nominated for an Academy Award for Best Documentary Short.
Document 4: Hoop Dreams: Originally intended to be a 30-minute short film produced for the Public Broadcasting Service, it eventually led to five years of filming and 250 hours of footage. It premiered at the 1994 Sundance Film Festival where it won the Audience Award for Best Documentary. "Hoop Dreams" is the only documentary film to be nominated for the Academy Award for Best Film Editing. Despite its length (171 minutes) and unlikely commercial genre, it received high critical and popular acclaim, and grossed over $11 million worldwide. It was #1 on the Current TV special "50 Documentaries to See Before You Die".
Document 5: Children Without: Children Without is a 1964 American short documentary film directed by Charles Guggenheim, about a young girl and her brother growing up in the housing projects of Detroit. It was nominated for an Academy Award for Best Documentary Short, losing to another film by Guggenheim, "Nine from Little Rock".
Document 6: North Dakota: North Dakota is in the U.S. region known as the Great Plains. The state shares the Red River of the North with Minnesota to the east. South Dakota is to the south, Montana is to the west, and the Canadian provinces of Saskatchewan and Manitoba are to the north. North Dakota is situated near the middle of North America with a stone marker in Rugby, North Dakota marking the ``Geographic Center of the North American Continent ''. With an area of 70,762 square miles (183,273 km), North Dakota is the 19th largest state.
Document 7: Geographic center of the United States: Its position as located in a 1918 survey is located at 39 ° 50 ′ N 98 ° 35 ′ W ﻿ / ﻿ 39.833 ° N 98.583 ° W ﻿ / 39.833; - 98.583 ﻿ (Geographic Center of the Contiguous United States), in Kansas about 2.6 miles (4.2 km) northwest of the center of Lebanon, approximately 12 miles (19 km) south of the Kansas - Nebraska border.
Document 8: Geographic center of the United States: Its position as located in a 1918 survey is located at 39 ° 50 ′ N 98 ° 35 ′ W ﻿ / ﻿ 39.833 ° N 98.583 ° W ﻿ / 39.833; - 98.583 ﻿ (Geographic Center of the Contiguous United States), about 2.6 miles (4.2 km) northwest of the center of Lebanon, Kansas, approximately 12 miles (19 km) south of the Kansas - Nebraska border.
Document 9: Midwestern United States: The Midwestern United States, also referred to as the American Midwest, Middle West, or simply the Midwest, is one of four geographic regions defined by the United States Census Bureau. It occupies the northern central part of the United States of America. It was officially named the North Central region by the Census Bureau until 1984. It is located between the Northeastern U.S. and the Western U.S., with Canada to its north and the Southern U.S. to its south.
Document 10: The Ernest Green Story: The Ernest Green Story is a 1993 made-for-television movie which follows the true story of Ernest Green (Morris Chestnut) and eight other African-American high-school students (dubbed the "Little Rock Nine") as they embark on their historic journey to integrate Little Rock Central High School in Little Rock, Arkansas, in 1957. The film was developed and executive produced by Carol Ann Abrams. Much of the movie was filmed on location at Central High School.
Document 11: Corn Belt: The Corn Belt is a region of the Midwestern United States that, since the 1850s, has dominated corn production in the United States. More generally, the concept of the ``Corn Belt ''connotes the area of the Midwest dominated by farming. Many towns in this area are connected to powerful farm organizations with lobbying power.
Document 12: Washington University in St. Louis: The Washington University School of Medicine, founded in 1891, is highly regarded as one of the world's leading centers for medical research and training. The School ranks first in the nation in student selectivity. Among its many recent initiatives, The Genome Center at Washington University (directed by Richard K. Wilson) played a leading role in the Human Genome Project, having contributed 25% of the finished sequence. The School pioneered bedside teaching and led in the transformation of empirical knowledge into scientific medicine. The medical school partners with St. Louis Children's Hospital and Barnes-Jewish Hospital (part of BJC HealthCare), where all physicians are members of the school's faculty.
Document 13: Washington University in St. Louis: Graduate schools include the School of Medicine, currently ranked sixth in the nation, and the George Warren Brown School of Social Work, currently ranked first. The program in occupational therapy at Washington University currently occupies the first spot for the 2016 U.S. News & World Report rankings, and the program in physical therapy is ranked first as well. For the 2015 edition, the School of Law is ranked 18th and the Olin Business School is ranked 19th. Additionally, the Graduate School of Architecture and Urban Design was ranked ninth in the nation by the journal DesignIntelligence in its 2013 edition of "America's Best Architecture & Design Schools."
Document 14: Washington University in St. Louis: In 1867, the university opened the first private nonsectarian law school west of the Mississippi River. By 1882, Washington University had expanded to numerous departments, which were housed in various buildings across St. Louis. Medical classes were first held at Washington University in 1891 after the St. Louis Medical College decided to affiliate with the University, establishing the School of Medicine. During the 1890s, Robert Sommers Brookings, the president of the Board of Trustees, undertook the tasks of reorganizing the university's finances, putting them onto a sound foundation, and buying land for a new campus.
Document 15: Washington University in St. Louis: Washington University in St. Louis (Wash. U., or WUSTL) is a private research university located in St. Louis, Missouri, United States. Founded in 1853, and named after George Washington, the university has students and faculty from all 50 U.S. states and more than 120 countries. Twenty-five Nobel laureates have been affiliated with Washington University, nine having done the major part of their pioneering research at the university. Washington University's undergraduate program is ranked 15th by U.S. News and World Report. The university is ranked 32nd in the world by the Academic Ranking of World Universities.
ground_truth: Midwestern United States
sub_queries: Which place is A City Decides in? Answer: St. Louis
Where is Washington University in St. Louis located? Answer: Missouri
what region of the country is Missouri in Answer: Midwestern United States