user: Question: What is the Mascot for the team from Leo that had a Previous Conference value of independent?
Columns: ['School', 'Location', 'Mascot', 'Enrollment 08-09', 'IHSAA Class/ Football Class', 'County', 'Year Joined', 'Previous Conference']
Types: ['text', 'text', 'text', 'real', 'text', 'text', 'real', 'text']
Sample row: ['Adams Central', 'Monroe', 'Flying Jets', 404.0, '2A/1A', '01 Adams', 1969.0, 'independent']
SQL:

assistant: SELECT "Mascot" FROM "Table" WHERE "Previous Conference" = 'independent' AND "Location" = 'Leo';