Table:
text: Dakota Athletic Conference
Past members
Past members
Institution Nickname Location_ Founded Type_ Enrollment Current_Conference
Black Hills State University Yellow Jackets Spearfish, South Dakota 1881 Public 4739 RMAC (NCAA Division II)
Dakota State University Trojans Madison, South Dakota 1881 Public 2282 NAIA Independent
Dickinson State University Blue Hawks Dickinson, North Dakota 1916 Public 2572 Frontier Conference
Jamestown College Jimmies Jamestown, North Dakota 1883 Private 900 NAIA Independent
Mayville State University Comets Mayville, North Dakota 1889 Public 780 NAIA Independent
Minot State University Beavers Minot, North Dakota 1913 Public 3851 NSIC (NCAA Division II)
Si Tanka University at Huron Screaming Eagles Huron, South Dakota 1883 Private n/a school closed in 2005

text: Dakota Athletic Conference
Past members
Past members
Institution Nickname Location_ Founded Type_ Enrollment Current_Conference
South Dakota School of Mines and Technology Hardrockers Rapid City, South Dakota 1885 Public 2345 NCAA D-II Independent
University of Mary Marauders Bismarck, North Dakota 1959 Private 2758 NSIC (NCAA Division II)

Question: What is the total number of established for the public and 780 enrollments in the Dakota Athletic Conference?