Question: Why is the state that contains Washington University, in the city where Don Ebert is born, known as the show me state?

full_context: Document 1: Don Ebert: Don "Mad Hatter" Ebert is a retired U.S. soccer forward who spent most of his career with two indoor clubs, the St. Louis Steamers and the Los Angeles Lazers.
Document 2: Harry S. Truman Bridge: The Harry S Truman Bridge is a vertical lift rail drawbridge over the Missouri River connecting Jackson County, Missouri with Clay County, Missouri in Kansas City, Missouri. It has a 427 foot main span, and is the tenth longest span in the United States.
Document 3: Tim Alioto: Tim Alioto is a retired American soccer Defender who spent most of his career with the amateur Milwaukee Bavarians. He played professionally for four years in the American Indoor Soccer Association.
Document 4: 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 5: 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 6: 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 7: Dave Stewart (soccer): Dave Stewart is a retired American soccer forward who spent his career with the El Paso Patriots in the USISL. He played for El Paso from 1993 to at least 1999. On August 27, 1995, Stewart and his teammates fell to the Richmond Kickers in the final of the 1995 U.S. Open Cup. On February 2, 1997, the MetroStars selected Heald in the third round (twenty-fifth overall) of the 1997 MLS Supplemental Draft. When the MetroStars released him in April, he returned to the Patriots.
Document 8: List of foreign Premier League goalscorers: Jozy Altidore -- Hull City, Sunderland DaMarcus Beasley -- Manchester City Carlos Bocanegra -- Fulham Geoff Cameron -- Stoke City Jay DeMerit -- Watford Clint Dempsey -- Fulham, Tottenham Hotspur (57) Landon Donovan -- Everton Brad Friedel -- Blackburn Rovers John Harkes -- Sheffield Wednesday Stuart Holden -- Bolton Wanderers Tim Howard -- Everton Cobi Jones -- Coventry City Jovan Kirovski -- Birmingham City Eric Lichaj -- Aston Villa Brian McBride -- Everton, Fulham Joe - Max Moore -- Everton Preki -- Everton Claudio Reyna -- Sunderland, Manchester City Jonathan Spector -- West Ham United Roy Wegerle -- Blackburn Rovers, Coventry City
Document 9: Steve Trittschuh: Stephen "Steve" Trittschuh (born April 24, 1965) is a retired American soccer defender who played professionally in the Major Indoor Soccer League, American Professional Soccer League and Major League Soccer. He also earned thirty-eight caps with the United States men's national soccer team including one game at the 1990 FIFA World Cup.
Document 10: Branson, Missouri: Branson has long been a popular destination for vacationers from Missouri and around the country. The collection of entertainment theaters along 76 Country Boulevard (and to a lesser extent along Shepherd of the Hills Expressway), including Dolly Parton's Stampede, has increased Branson's popularity as a tourist destination.
Document 11: Missouri: Missouri is landlocked and borders eight different states as does its neighbor, Tennessee. No state in the U.S. touches more than eight. Missouri is bounded by Iowa on the north; by Illinois, Kentucky, and Tennessee across the Mississippi River on the east; on the south by Arkansas; and by Oklahoma, Kansas, and Nebraska (the last across the Missouri River) on the west. Whereas the northern and southern boundaries are straight lines, the Missouri Bootheel protrudes southerly into Arkansas. The two largest rivers are the Mississippi (which defines the eastern boundary of the state) and the Missouri River (which flows from west to east through the state) essentially connecting the two largest metros of Kansas City and St. Louis.
Document 12: Missouri: Well - known Missourians include U.S. President Harry S. Truman, Mark Twain, Walt Disney, Chuck Berry and Nelly. Some of the largest companies based in the state include Cerner, Express Scripts, Monsanto, Emerson Electric, Edward Jones, H&R Block, Wells Fargo Advisors and O'Reilly Auto Parts. Missouri has been called the ``Mother of the West ''and the`` Cave State''; however, Missouri's most famous nickname is the ``Show Me State '', as Missourians are known for being skeptical.
Document 13: 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.
Document 14: 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 15: Harry S. Truman: Harry S. Truman 33rd President of the United States In office April 12, 1945 -- January 20, 1953 Vice President None (1945 -- 1949) Alben W. Barkley (1949 -- 1953) Preceded by Franklin D. Roosevelt Succeeded by Dwight D. Eisenhower 34th Vice President of the United States In office January 20, 1945 -- April 12, 1945 President Franklin D. Roosevelt Preceded by Henry A. Wallace Succeeded by Alben W. Barkley United States Senator from Missouri In office January 3, 1935 -- January 17, 1945 Preceded by Roscoe C. Patterson Succeeded by Frank P. Briggs Presiding Judge of Jackson County, Missouri In office January 1, 1927 -- January 1, 1935 Preceded by Elihu W. Hayes Succeeded by Eugene I. Purcell Judge of Jackson County, Missouri's Eastern District In office January 1, 1923 -- January 1, 1925 Preceded by James E. Gilday Succeeded by Henry Rummel Personal details (1884 - 05 - 08) May 8, 1884 Lamar, Missouri, U.S. December 26, 1972 (1972 - 12 - 26) (aged 88) Kansas City, Missouri, U.S. Resting place Harry S. Truman Presidential Library and Museum Independence, Missouri, U.S. Political party Democratic Spouse (s) Bess Wallace (m. 1919) Children Margaret Truman Parents John Anderson Truman Martha Ellen Young Education Spalding's Commercial College UMKC School of Law (withdrew) Signature Military service Allegiance United States Service / branch United States Army Missouri National Guard United States Army Reserve Years of service 1905 -- 1911 (Missouri National Guard) 1917 -- 1919 (United States Army) 1920 -- 1953 (Reserve) Rank First Lieutenant (National Guard) Major (Army) Colonel (Reserve) Commands Battery D, 129th Field Artillery, 60th Brigade, 35th Infantry Division 1st Battalion, 379th Field Artillery Regiment, 102nd Infantry Division 379th Field Artillery Regiment, 102nd Infantry Division Battles / wars World War I Western Front
ground_truth: Missourians are known for being skeptical.
sub_queries: In what city was Don Ebert born? Answer: St. Louis
Where is Washington University in St. Louis located? Answer: Missouri
Missouri is known as the show me state Answer: Missourians are known for being skeptical.