Question: what is the enrollment at Charles Colbourn's employer?

full_context: Document 1: Richard Labonté: Originally from Edmonton, Alberta, Labonté studied English and political science at Carleton University in Ottawa, where he was an editor for "The Charlatan". Following school he joined the "Ottawa Citizen" in 1972 as an editor, later writing film and book reviews, and was a contributor to "The Body Politic". In 1980, he contributed to an "Ottawa Citizen" series on gay life in Ottawa, becoming one of the first Canadian journalists ever to come out in the pages of a mainstream newspaper.
Document 2: Charles Lawrence (mathematician): After his PhD graduation, Lawrence became the assistant professor in Systems Engineering and Operations Research and Statistics, in Rensselaer Polytechnic Institute. In the same time period of time (1971–1975), Lawrence worked as the consultant to the Ministry of Maternal and Child Health in Dominican Republic. From 1975 to 1981, he worked in the New York State Department of Health as the Director of Operations Research and Statistics, in the Division of Epidemiology.
Document 3: Canadian Journal of Behavioural Science: The Canadian Journal of Behavioural Science is a quarterly peer-reviewed academic journal published by the American Psychological Association on behalf of the Canadian Psychological Association. The editor-in-chief is Allison J. Ouimet (University of Ottawa). The journal was established in 1969 and covers all aspects of psychology.
Document 4: University of California, Los Angeles: The University of California, Los Angeles (UCLA) is a public research university in Los Angeles. 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. It offers 337 undergraduate and graduate degree programs in a wide range of disciplines. 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. 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.
Document 5: Arizona State University: ASU is one of the largest public universities by enrollment in the U.S. It had approximately 72,000 students enrolled in fall 2016, including nearly 59,000 undergraduate and more than 13,000 graduate students. ASU's charter, approved by the board of regents in 2014, is based on the ``New American University ''model created by ASU President Crow. It defines ASU as`` a comprehensive public research university, measured not by whom it excludes, but rather by whom it includes and how they succeed; advancing research and discovery of public value; and assuming fundamental responsibility for the economic, social, cultural and overall health of the communities it serves.''
Document 6: List of United States public university campuses by enrollment: Ten largest public university campuses by enrollment during the 2017 -- 18 academic year Ranking University Location Enrollment Reference (s) Texas A&M University College Station, Texas 68,603 University of Central Florida Orlando, Florida 66,180 Ohio State University Columbus, Ohio 59,837 Florida International University Miami, Florida 56,851 5 University of Florida Gainesville, Florida 52,367 6 University of Minnesota Minneapolis / Saint Paul, Minnesota 51,848 7 University of Texas at Austin Austin, Texas 51,525 8 Arizona State University Tempe, Arizona 51,164 9 Michigan State University East Lansing, Michigan 50,019 10 Indiana University Bloomington, Indiana 49,695
Document 7: Calvin Gotlieb: In 1948, he co-founded the computation centre at the University of Toronto and was part of the first team in Canada to build computers and to provide computing services. In 1950, he created the first university course on computing in Canada and in 1951 offered the first graduate course. In 1964, he helped to found the first Canadian graduate department of computer science at the University of Toronto.
Document 8: Appalachian State University: Appalachian State University / ˌæpəˈlætʃən / (also referred to as Appalachian, App State, App, ASU) is a comprehensive (Master's L), public, coeducational university in Boone, North Carolina, United States.
Document 9: Charles Colbourn: Colbourn was born on October 24, 1953, in Toronto, Ontario; despite working in the United States since 1996 he retains his Canadian citizenship. He did his undergraduate studies at the University of Toronto, graduating in 1976; after a master's degree at the University of Waterloo, he returned to Toronto for a Ph.D., which he received in 1980 under the supervision of Derek Corneil. He has held faculty positions at the University of Saskatchewan, University of Waterloo, University of Vermont, and Arizona State University, as well as visiting positions at several other universities. He has been one of three editors-in-chief of the "Journal of Combinatorial Designs" since 1992.
Document 10: John Ross Robertson: Born in Toronto, the son of John Robertson and Margaret Sinclair, Robertson was educated at Upper Canada College, a private high school in Toronto. As a young man, he started a newspaper at UCC called "Young Canada" and a satirical weekly magazine, "The Grumbler". The Grumbler was published in 1864 in a building on the corner of King Street and Toronto Street in Toronto. The Grumbler was one of Robertson's more well known publications.
Document 11: Valdosta State University: Valdosta State University, also referred to as VSU, or Valdosta State, is an American public university and is one of the four comprehensive universities in the University System of Georgia. Valdosta State is located on a campus at the heart of the city of Valdosta. VSU serves over 11,000 undergraduate and graduate students representing 157 Georgia counties, all 50 states, Puerto Rico, the United States Virgin Islands, American Samoa and Washington, D.C. and hosts over 300 international students from 76 countries. VSU also offers classes at Moody Air Force Base north of Valdosta in Lowndes County.
Document 12: North Carolina: In 1795, North Carolina opened the first public university in the United States—the University of North Carolina (now named the University of North Carolina at Chapel Hill). More than 200 years later, the University of North Carolina system encompasses 17 public universities including North Carolina State University, North Carolina A&T State University, North Carolina Central University, the University of North Carolina at Chapel Hill, the University of North Carolina at Greensboro, East Carolina University, Western Carolina University, Winston-Salem State University, the University of North Carolina at Asheville, the University of North Carolina at Charlotte, the University of North Carolina at Pembroke, UNC Wilmington, Elizabeth City State University, Appalachian State University, Fayetteville State University, and UNC School of the Arts, and . Along with its public universities, North Carolina has 58 public community colleges in its community college system.The largest university in North Carolina is currently North Carolina State University, with more than 34,000 students. North Carolina is home to many excellent universities as well as dozens of community colleges and private universities.
Document 13: List of United States public university campuses by enrollment: Ten largest public university campuses by enrollment during the 2016 -- 17 academic year Ranking University Location Enrollment Reference (s) University of Central Florida Orlando, Florida 64,335 Texas A&M University College Station, Texas 60,435 Ohio State University Columbus, Ohio 59,482 Florida International University Miami, Florida 55,111 5 University of Florida Gainesville, Florida 52,367 6 Arizona State University Tempe, Arizona 51,869 7 University of Minnesota Minneapolis / Saint Paul, Minnesota 51,580 8 University of Texas at Austin Austin, Texas 51,331 9 Michigan State University East Lansing, Michigan 50,344 10 Indiana University Bloomington, Indiana 49,695
Document 14: Kevin S. MacLeod: Born in North Sydney, Nova Scotia, MacLeod studied at Boston University and Carleton University, where he received both his bachelor's degree in history and political science and a master's degree in international affairs, before moving on to the University of Burgundy in Dijon, France. After his return from there, MacLeod served for 10 years as an administrative assistant in the House of Commons of Canada, subsequently acting as a chief of staff for one of the then ministers of the Crown before being employed by the Department of Canadian Heritage for 22 years. Among his accomplishments in that office, MacLeod was appointed as the Chief of Protocol and then authored "A Crown of Maples/la couronne canadienne"an educational book on the Canadian monarchy, published by the heritage department.
Document 15: San Jose, California: San Jose is home to several colleges and universities. The largest is San Jose State University, which was founded by the California legislature in 1862 as the California State Normal School, and is the founding campus of the California State University (CSU) system. Located in downtown San Jose since 1870, the university enrolls approximately 30,000 students in over 130 different bachelor's and master's degree programs. The school enjoys a good academic reputation, especially in the fields of engineering, business, art and design, and journalism, and consistently ranks among the top public universities in the western region of the United States. San Jose State is one of only three Bay Area schools that fields a Football Bowl Subdivision (FBS) Division I college football team; Stanford University and U.C. Berkeley are the other two.
ground_truth: 72,000
sub_queries: Charles Colbourn >> employer Answer: Arizona State University
what is the enrollment at Arizona State University Answer: 72,000