Question: Which member of a collegiate athletic conference comprising sports teams from eight private institutions of higher education in the Northeastern United States played their home games at Robert K. Kraft Field at Lawrence A. Wien Stadium?

full_context: Document 1: Seven Sisters (colleges): The Seven Sisters is a loose association of seven liberal arts colleges in the Northeastern United States that are historically women's colleges. Five of the seven institutions continue to offer all-female undergraduate programs: Barnard College, Bryn Mawr College, Mount Holyoke College, Smith College, and Wellesley College. Vassar College has been co-educational since 1969. Radcliffe College and its all-male coordinate school Harvard College (both of which were part of Harvard University) effectively merged in 1977, although Radcliffe did not take its current form as the Radcliffe Institute for Advanced Study until 1999. Barnard College was Columbia University's women's liberal arts undergraduate college until its all-male coordinate school Columbia College went co-ed in 1983; to this day, Barnard continues to be an all-women's undergraduate college affiliated with Columbia.
Document 2: 2013 Columbia Lions football team: The 2013 Columbia Lions football team represented Columbia University in the 2013 NCAA Division I FCS football season. They were led by second year head coach Pete Mangurian and played their home games at Robert K. Kraft Field at Lawrence A. Wien Stadium. They were a member of the Ivy League. They finished with a record of 0–10 overall, 0–7 in Ivy League play for a last place finish. This was the sixth time in school history that the Columbia Lions went winless.</small>
Document 3: Cornell–Princeton lacrosse rivalry: The Cornell–Princeton lacrosse rivalry is a college lacrosse rivalry between Princeton University and Cornell University and their respective men's lacrosse teams, Princeton Tigers and Cornell Big Red. The rivalry stems from the dominance of the two programs in the Ivy League where in the first 61 seasons (including the 2016 season) Cornell has won 29 Ivy League Championships (18 outright, 11 shared) and Princeton has won 27 league titles (18 outright, 9 shared). The next nearest team is Brown with ten titles (five outright, five shared) CornellBigRed.com describes the rivalry as "The marquee matchup in Ivy League lacrosse". Cornell claims three NCAA Division I Men's Lacrosse Championships (1971, 1976, 1977) and four pre-NCAA era national championships (1903, 1907, 1914, 1916). Princeton claims six NCAA championships (1992, 1994, 1996, 1997, 1998, 2001) and six pre-NCAA era national championships (1884, 1885, 1937, 1942, 1951, 1953). Princeton last won the Ivy League in 2012 while Cornell won the title in 2013 and 2014.
Document 4: 2017 Columbia Lions football team: The 2017 Columbia Lions football team represents Columbia University in the 2017 NCAA Division I FCS football season. They are led by third year head coach Al Bagnoli and play their home games at Robert K. Kraft Field at Lawrence A. Wien Stadium. They are a member of the Ivy League.
Document 5: Yale University: Yale University is an American private Ivy League research university in New Haven, Connecticut. Founded in 1701, it is the third-oldest institution of higher education in the United States and one of the nine Colonial Colleges chartered before the American Revolution.
Document 6: 2015 Columbia Lions football team: The 2015 Columbia Lions football team represented Columbia University in the 2015 NCAA Division I FCS football season. They were led by first year head coach Al Bagnoli and played their home games at Robert K. Kraft Field at Lawrence A. Wien Stadium. They were a member of the Ivy League. They finished the season 2–8, 1–6 in Ivy League play to finish a tie for seventh place.
Document 7: Patriot League: The Patriot League is a collegiate athletic conference comprising private institutions of higher education and two United States service academies based in the Northeastern United States. Outside of the Ivy League, it is one of the most selective group of higher education institutions in NCAA Division I and has the highest student-athlete graduation rate for both the NCAA graduation success rate and the federal graduation rate.
Document 8: Ivy League Baseball Championship Series: The Ivy League Baseball Championship Series is the conference baseball championship of the NCAA Division I Ivy League. The regular season winners of each four team division participate in a best of three series held at campus sites, with the winner earning the conference's automatic bid to the NCAA Division I Baseball Championship. In 2016, <a href="">Princeton Tigers
Document 9: 2014 Columbia Lions football team: The 2014 Columbia Lions football team represented Columbia University in the 2014 NCAA Division I FCS football season. They were led by third year head coach Pete Mangurian and played their home games at Robert K. Kraft Field at Lawrence A. Wien Stadium. They were a member of the Ivy League. They finished the season 0–10, 0–7 in Ivy League play to finish in last place. This was the seventh time, and second consecutive year, the school ended the season winless.
Document 10: New England Small College Athletic Conference: The New England Small College Athletic Conference (NESCAC) is a collegiate athletic conference comprising sports teams from eleven schools, which are ten small liberal arts colleges and one medium-sized research university. The schools are all private, located in the Northeastern United States, and are often associated with the Little Ivies. The conference name is also commonly used to refer to those eleven schools as a group. The eleven institutions are Amherst College, Bates College, Bowdoin College, Colby College, Connecticut College, Hamilton College, Middlebury College, Tufts University, Trinity College, Wesleyan University, and Williams College.
Document 11: 2011 Columbia Lions football team: The 2011 Columbia Lions football team represented Columbia University in the 2011 NCAA Division I FCS football season. The Lions were led by sixth year head coach Norries Wilson and played their home games at Robert K. Kraft Field at Lawrence A. Wien Stadium. They are a member of the Ivy League. They finished the season 1–9, 1–6 in Ivy League play to finish in a tie for seventh place. Head coach Norries Wilson was fired at the end of the season after a 17–43 record in six seasons.
Document 12: 2016 Columbia Lions football team: The 2016 Columbia Lions football team represented Columbia University in the 2016 NCAA Division I FCS football season. They were led by second year head coach Al Bagnoli and played their home games at Robert K. Kraft Field at Lawrence A. Wien Stadium. They are a member of the Ivy League.
Document 13: List of Ivy League medical schools: This list of Ivy League medical schools outlines the seven universities of the Ivy League that host a medical school. Only one Ivy League university, Princeton University, does not have a medical school. All Ivy League medical schools are located in the Northeast region of the United States and are privately owned and controlled. Only two of the schools, at Dartmouth and Penn, are located adjacent to the undergraduate campuses. The schools at Brown, Columbia, Harvard, and Yale, are located on separate campuses in the same metropolitan area as the university. The school at Cornell, Weill Cornell Medicine, is located in New York City, far from the main Ithaca campus.
Document 14: 2012 Columbia Lions football team: The 2012 Columbia Lions football team represented Columbia University in the 2012 NCAA Division I FCS football season. They were led by first year head coach Pete Mangurian and played their home games at Robert K. Kraft Field at Lawrence A. Wien Stadium. They are a member of the Ivy League. They finished the season 3–7, 2–5 in Ivy League play to finish in a tie for sixth place.
Document 15: Ivy League: The Ivy League is a collegiate athletic conference comprising sports teams from eight private institutions of higher education in the Northeastern United States. The conference name is also commonly used to refer to those eight schools as a group beyond the sports context. The eight institutions are Brown University, Columbia University, Cornell University, Dartmouth College, Harvard University, the University of Pennsylvania, Princeton University, and Yale University. The term "Ivy League" has connotations of academic excellence, selectivity in admissions, and social elitism.
ground_truth: The 2011 Columbia Lions