user: ### NOW ANSWER:
Question: What is the Enrollment where Cougars is a 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 SUM("Enrollment") FROM "Table" WHERE "Mascot" = 'Cougars';