CREATE TABLE table_20447 ("Information" TEXT, "Akimel A-al The name is Tohono Oodham for children of the river" TEXT, "Altade\\u00f1a" TEXT, "Aprende" TEXT, "Centennial" TEXT, "Kyrene MS" TEXT, "del Pueblo" TEXT)

Name the del pueblo for red/black
SELECT "del Pueblo" FROM table_20447 WHERE "Centennial" = 'Red/black'
SELECT "del Pueblo" FROM "table_20447" WHERE "Centennial" = 'Red/black'