CREATE TABLE table_28403 ("Institution" TEXT, "Location" TEXT, "Nickname" TEXT, "Founded" FLOAT, "Type" TEXT, "Enrollment" FLOAT, "Joined" TEXT)

When was the private/baptist school founded?
SELECT "Founded" FROM table_28403 WHERE "Type" = 'Private/Baptist'
SELECT "Founded" FROM "table_28403" WHERE "Type" = 'Private/Baptist'