user: ### NOW ANSWER:
Question: Which Year Joined has a Size larger than 93, and a Previous Conference of none (new school), and a Mascot of Rebels?
Columns: ['School', 'Location', 'Mascot', 'Size', 'IHSAA Class', 'County', 'Year Joined', 'Previous Conference']
Types: ['text', 'text', 'text', 'real', 'text', 'text', 'real', 'text']
Sample row: ['Jac-Cen-Del', 'Osgood', 'Eagles', 296.0, 'A', '69 Ripley', 1960.0, 'none (new school)']
SQL:

assistant: SELECT AVG("Year Joined") FROM "Table" WHERE "Size" > 93.0 AND "Previous Conference" = 'none (new school)' AND "Mascot" = 'Rebels';