user: Question: Which #/ County has a Year Joined larger than 1926, and a Previous Conference of Olympic?
Columns: ['School', 'Location', 'Mascot', '# / County', 'Enrollment', 'IHSAA Class / Football/Soccer', 'Year Joined', 'Previous Conference']
Types: ['text', 'text', 'text', 'text', 'real', 'text', 'real', 'text']
Sample row: ['Anderson', 'Anderson', 'Indians', '48 Madison', 1884.0, '4A/5A/2A', 1926.0, 'Independents']
SQL:

assistant: SELECT "# / County" FROM "Table" WHERE "Year Joined" > 1926.0 AND "Previous Conference" = 'Olympic';