How many students were enrolled in 2015 in the university that Anna Chao Pai taught at?
Anna Chao Pai: Anna Chao Pai (born 1935) is an American geneticist and professor emerita at Montclair State University. Montclair State University:  As of October 2015, there were 20,465 total enrolled students: 16,336 undergraduate students and 4,129 graduate students.
20,465