Question: Between University of Nebraska system and Grinnell College, which one has more campuses?
Context: Goodnow Hall is a historic structure located on the Grinnell College campus in Grinnell, Iowa, United States.  A tornado struct the college's campus in 1882, and this was one of four buildings that replaced the destroyed buildings.  It is now the oldest building on campus.  The other three are no longer extant.  The building is named for Edward A. Goodnow, who was a well-known abolitionist and reformer who promoted public education for women.  He donated $10,000 to the college to construct this building, which was the library until 1905.  It was converted into office space and classrooms after that time.  It was renovated again in 1995, and it housed the Department of Anthropology and later the Department of Gender, Women's, and Sexuality Studies.  The three-story building was designed by Worcester, Massachusetts architect Stephen C. Earle in the Richardsonian Romanesque style.  It features a tower on the northwest corner of the structure that was originally capped by a domed astronomical observatory.  The exterior is composed of rusticated Sioux Falls granite.  The building was listed on the National Register of Historic Places in 1979. Raynard S. Kington is the president of Grinnell College.  He was most recently deputy director of the National Institutes of Health, and officially became the 13th president of Grinnell College on August 1, 2010.  Kington entered a combined B.S./M.D. program at the University of Michigan at age 16, earning his bachelor's degree when he was 19 and the M.D. at 21.  He earned an M.B.A. and a Ph.D. in health policy and economics at The Wharton School at the University of Pennsylvania. The State University of Iowa began playing football as a club sport in 1872, with intramural games against other colleges played as early as 1882; but it was not until 1889 that Iowa challenged Grinnell College, then-known as Iowa College, to a game of football.  On November 16, 1889; the two teams met in Grinnell, Iowa to play the first game of intercollegiate football in the state of Iowa and the first one west of the Mississippi River.  Iowa lost, 24–0, and a rematch between the two teams in Iowa City was canceled due to poor weather.  A stone marker still stands in Grinnell Field marking the event. The North Grinnell Historic District is a nationally recognized historic district located in Grinnell, Iowa, United States.  It was listed on the National Register of Historic Places in 2008.  At the time of its nomination it contained 272 resources, which included 202 contributing buildings, six contributing objects, 61 non-contributing buildings, and one non-contributing object.  The historic district is a residential area located west of the Grinnell College campus.  Of the 157 houses, three-quarters of them are two-story structures.  The rest are bungalows, cottages, and post-World War II minimal traditional plans.  The vast majority of houses are of frame construction, with a few brick, concrete block, stucco and half-timbered claddings.  There are 103 outbuildings, which include garages, barns and carriage houses.  Three of the most prominent architectural styles include Neoclassical, Queen Anne and American Craftsman.  The historical objects are six concrete hitching posts.  Eleven architects are known to have houses in the district.  The period of significance is 1867 to 1958. The Grinnell System, sometimes referred to as The System, is a fast-tempo style of basketball developed by coach Dave Arseneault at Grinnell College.  It is a variation of the run-and-gun system popularized by coach Paul Westhead at Loyola Marymount University in the early 1980s.  The Grinnell System relies on shooting three-point field goals, applying constant pressure with a full-court press, and substituting players frequently. The University of Nebraska system is the public university system in the state of Nebraska, United States.  Founded in 1869 with one campus in Lincoln, the system now has four university campuses and operates a two-year technical agriculture college. Grinnell College is a private liberal arts college in Grinnell, Iowa, U.S., known for its rigorous academics and tradition of social responsibility.  It was founded in 1846, when a group of New England Congregationalists established the Trustees of Iowa College. Nebraska College of Technical Agriculture is located in Curtis, Nebraska, four hours from Lincoln, Nebraska or Denver, Colorado.  The college is a public, associate college which is regionally accredited, and part of the University of Nebraska system.  Starting in the Fall, 2017, it has a single-rate tuition per credit hour for all students, whether Nebraska residents, international, or non-resident students.  NCTA is primarily a residential campus, with four residence halls. David Michael Arsenault (born August 12, 1953) is the men's college basketball coach of Grinnell College.  He invented the Grinnell System, a run-and-gun style employed by the team.  He is also an associate professor of physical education on Grinnell's faculty.  Arseneault's coaching staff includes his son, David Jr., who also played under his father at Grinnell. The Levi P. Grinnell House is a historic dwelling located in Grinnell, Iowa, United States.  Grinnell was one of three brothers from Vermont who settled in Poweshiek County in the 1850s.  One of his brothers was Josiah Bushnell Grinnell, a political and social activist who founded the town and Grinnell College.  He owned this property from 1857 to 1863, and had the house built about 1860.  After he left here he farmed outside of town.  The 1½-story frame structure is characteristic of vernacular Greek Revival domestic architecture found in the small towns and the rural areas of the upper Midwest.  The house was listed on the National Register of Historic Places in 1979.
Answer: University of Nebraska