user: Question: What school has a Public nickname, founded after 1838 in Harrisonburg, VA?
Columns: ['School', 'Location', 'Founded', 'Affiliation', 'Nickname']
Types: ['text', 'text', 'real', 'text', 'text']
Sample row: ['James Madison University', 'Harrisonburg, VA', 1908.0, 'Public', 'Dukes']
SQL:

assistant: SELECT "Nickname" FROM "Table" WHERE "Affiliation" = 'Public' AND "Founded" > 1838.0 AND "Location" = 'Harrisonburg, VA';