user: Question: Which leagues have Raiders as their mascot?
Columns: ['School', 'Mascot', 'Location', 'League', 'Enrollment']
Types: ['text', 'text', 'text', 'text', 'real']
Sample row: ['Carson', 'Senators', 'Carson City, Nevada', 'Sierra', 2503.0]
SQL:

assistant: SELECT "League" FROM "Table" WHERE "Mascot" = 'Raiders';