user: Question: How many schools named Southern New Hampshire University?
Columns: ['Institution', 'Location', 'Founded', 'Type', 'Enrollment', 'Nickname', 'Joined', 'Division']
Types: ['text', 'text', 'real', 'text', 'real', 'text', 'real', 'text']
Sample row: ['Adelphi University', 'Garden City, New York', 1896.0, 'Private', 8110.0, 'Panthers', 2009.0, 'Southwest']
SQL:

assistant: SELECT COUNT("Enrollment") FROM "Table" WHERE "Institution" = 'Southern New Hampshire University';