user: Question: Name the institution for Purple Aces
Columns: ['Institution', 'Nickname', 'Location', 'Founded', 'Affiliation', 'Enrollment', 'Sport']
Types: ['text', 'text', 'text', 'real', 'text', 'real', 'text']
Sample row: ['Chicago State University', 'Cougars', 'Chicago, Illinois', 1867.0, 'Public', 7131.0, "Men's tennis"]
SQL:

assistant: SELECT "Institution" FROM "Table" WHERE "Nickname" = 'Purple Aces';