user: Question: Name the number of left for Cardinals
Columns: ['Institution', 'Nickname', 'Location', 'Founded', 'Type', 'Enrollment', 'Joined', 'Left']
Types: ['text', 'text', 'text', 'real', 'text', 'real', 'real', 'real']
Sample row: ['University of Cincinnati **', 'Bearcats', 'Cincinnati, Ohio', 1819.0, 'Public', 41357.0, 1975.0, 1991.0]
SQL:

assistant: SELECT "Left" FROM "Table" WHERE "Nickname" = 'Cardinals';