Question: What is the undergrad enrollment at the school that employed the writer of The Significance of the Frontier in American History?

<P0-S0> the university of california, los angeles (ucla) is a public research university in los angeles. <P0-S1> it became the southern branch of the university of california in 1919, making it the fourth-oldest (after uc berkeley, uc san francisco, and uc davis) of the 10-campus university of california system. <P0-S2> it offers 337 undergraduate and graduate degree programs in a wide range of disciplines. <P0-S3> ucla enrolls about 31,000 undergraduate and 13,000 graduate students and had 119,000 applicants for fall 2016, including transfer applicants, making the school the most applied-to of any american university.the university is organized into six undergraduate colleges, seven professional schools, and four professional health science schools. <P0-S4> the undergraduate colleges are the college of letters and science; samueli school of engineering; school of the arts and architecture; herb alpert school of music; school of theater, film and television; and school of nursing. <SEP> <P1-S0> ``The Significance of the Frontier in American History ''is a seminal essay by the American historian Frederick Jackson Turner which advanced the Frontier Thesis of American history. <P1-S1> It was presented to a special meeting of the American Historical Association at the World's Columbian Exposition in Chicago, Illinois in 1893, and published later that year first in Proceedings of the State Historical Society of Wisconsin, then in the Annual Report of the American Historical Association. <P1-S2> It has been subsequently reprinted and anthologized many times, and was incorporated into Turner's 1921 book, The Frontier in American History, as Chapter I. <SEP> <P2-S0> the cheyenne frontier days old west museum is located in cheyenne, wyoming, united states. <P2-S1> the museum was founded in 1978. it is a 501(c)(3) non-profit organization, dedicated to interpreting, conserving and exhibiting the history and material culture of cheyenne, cheyenne frontier days, the state of wyoming and the american west. <P2-S2> the museum features the cheyenne frontier days hall of fame. <P2-S3> permanent exhibits include western horse-drawn carriages and wagons, the history and memorabilia of cheyenne frontier days rodeo celebration, local history of cheyenne, pioneer artifacts and clothing, and western and folk art. <SEP> <P3-S0> Frederick Jackson Turner (November 14, 1861 – March 14, 1932) was an American historian in the early 20th century, based at the University of Wisconsin until 1910, and then at Harvard. <P3-S1> He was primarily known for his “Frontier Thesis.” He trained many PhDs who came to occupy prominent places in the history profession. <P3-S2> He promoted interdisciplinary and quantitative methods, often with a focus on the Midwest. <P3-S3> He is best known for his essay "The Significance of the Frontier in American History", whose ideas formed the Frontier Thesis. <P3-S4> He argued that the moving western frontier shaped American democracy and the American character from the colonial era until 1890. <P3-S5> He is also known for his theories of geographical sectionalism. <P3-S6> In recent years historians and academics have argued strenuously over Turner's work; all agree that the Frontier Thesis has had an enormous impact on historical scholarship and the American soul. <SEP> <P4-S0> Harvard's 2,400 professors, lecturers, and instructors instruct 7,200 undergraduates and 14,000 graduate students. <P4-S1> The school color is crimson, which is also the name of the Harvard sports teams and the daily newspaper, The Harvard Crimson. <P4-S2> The color was unofficially adopted (in preference to magenta) by an 1875 vote of the student body, although the association with some form of red can be traced back to 1858, when Charles William Eliot, a young graduate student who would later become Harvard's 21st and longest-serving president (1869–1909), bought red bandanas for his crew so they could more easily be distinguished by spectators at a regatta.