user: Question: What's the classification of the institution nicknamed Dolphins?
Columns: ['Institution', 'Location', 'Nickname', 'Current Conference', 'Classification']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['University at Albany', 'Albany, New York', 'Great Danes', 'America East', 'NCAA Division I']
SQL:

assistant: SELECT "Classification" FROM "Table" WHERE "Nickname" = 'Dolphins';