Question: The home of the Missouri Tigers football team is located west of what river? 
Context: The 1923 Missouri Tigers football team was an American football team that represented the University of Missouri in the Missouri Valley Intercollegiate Athletic Association (Missouri Valley) during the 1923 college football season.  The team compiled a 2–3–3 record (1–3–2 against Missouri Valley opponents), finished in eighth place in the Missouri Valley conference, and was outscored by all opponents by a combined total of 40 to 31.  Gwinn Henry was the head coach for the first of nine seasons.  The team played its home games at Rollins Field in Columbia, Missouri. The 1922 Missouri Tigers football team was an American football team that represented the University of Missouri in the Missouri Valley Intercollegiate Athletic Association (Missouri Valley) during the 1922 college football season.  The team compiled a 5–3 record (4–3 against Missouri Valley opponents), finished in fourth place in the Missouri Valley conference, and outscored all opponents by a combined total of 98 to 90.  Thomas Kelley was the head coach for his first and only season.  The team played its home games at Rollins Field in Columbia, Missouri. The 1920 Missouri Tigers football team was an American football team that represented the University of Missouri in the Missouri Valley Intercollegiate Athletic Association (Missouri Valley) during the 1920 college football season.  The team compiled a 7–1 record (5–1 against Missouri Valley opponents), finished in second place in the Missouri Valley conference, and was outscored all opponents by a combined total of 156 to 61.  James Phelan was the head coach for the first of two seasons.  The team played its home games at Rollins Field in Columbia, Missouri. The 1919 Missouri Tigers football team was an American football team that represented the University of Missouri in the Missouri Valley Intercollegiate Athletic Association (Missouri Valley) during the 1919 college football season.  The team compiled a 5–1–2 record (4–0–1 against Missouri Valley opponents), won the Missouri Valley championship, and outscored all opponents by a combined total of 91 to 42.  John F. Miller was the head coach for his first and only season.  The team played its home games at Rollins Field in Columbia, Missouri. The 1942 Missouri Tigers football team was an American football team that represented the University of Missouri in the Big Six Conference (Big 6) during the 1942 college football season.  The team compiled an 8–3–1 record (4–0–1 against Big 6 opponents), won the Big 6 championship, and outscored all opponents by a combined total of 288 to 107.  The team played its home games at Memorial Stadium in Columbia, Missouri. The Missouri Tigers football program is a college football team that represents the University of Missouri in the East Division of the Southeastern Conference (SEC) in the National Collegiate Athletic Association (NCAA).  The team has had 31 head coaches since it started playing organized football in 1890 with the nickname "Tigers".  Missouri joined the Western Interstate University Football Association in December 1891, later winning the conference championship three years in a row.  The conference disbanded after the 1897 season and Missouri remained independent until joining the Missouri Valley Intercollegiate Athletic Association in 1907.  After several changes, the conference eventually became the Big Eight Conference.  The Tigers became a charter member of the Big 12 in 1996 when the Big Eight disbanded.  Missouri subsequently left the Big 12 following the 2011 season and joined as the 14th member of the SEC effective for the 2012 season.  The Tigers have played 1,180 games during their 119 seasons.  In those seasons, seven coaches have led Missouri to postseason bowl games: Don Faurot, Chauncey Simpson, Dan Devine, Al Onofrio, Warren Powers, Larry Smith, and Gary Pinkel.  Nine coaches have also won conference championships with the Tigers: Harry Orman Robinson, C. D. Bliss, Bill Roper, Chester Brewer, John F. Miller, Gwinn Henry, Faurot, Simpson and Devine. The 2000 Missouri Tigers football team represented the University of Missouri during the 2000 NCAA Division I-A football season.  Larry Smith was the coach in 2000.  After the season, he was fired and replaced by new coach Gary Pinkel (see also Missouri Tigers football under Gary Pinkel).  They began the season promisingly with a 50–20 win over Western Illinois.  The next week, however, they lost by 53 points at No. 17 Clemson which set the tone for the rest of the season.  Although they were able to win twice in conference, they continually had very little success against ranked opponents. The 1921 Missouri Tigers football team was an American football team that represented the University of Missouri in the Missouri Valley Intercollegiate Athletic Association (Missouri Valley) during the 1921 college football season.  The team compiled a 6–2 record (4–2 against Missouri Valley opponents), finished in a tie for second place in the Missouri Valley conference, and outscored all opponents by a combined total of 136 to 50.  James Phelan was the head coach for the second of two seasons.  The team played its home games at Rollins Field in Columbia, Missouri. The University of Missouri (also, Mizzou, or MU) is a public land-grant research university located in Columbia, Missouri, U.S.  It was founded in 1839 as the first public institution of higher education west of the Mississippi River.  As the largest university in the state, it enrolled 32,266 students in 2016, offering over 300 degree programs in 20 academic colleges.  It is the flagship campus of the University of Missouri System, which also maintains campuses in Kansas City, Rolla, and St. Louis. The Missouri Tigers football statistical leaders are individual statistical leaders of the Missouri Tigers football program in various categories, including passing, rushing, receiving, total offense, defensive stats, and kicking.  Within those areas, the lists identify single-game, single-season and career leaders.  The Tigers represent the University of Missouri in the NCAA's Southeastern Conference.
Answer: Mississippi River