CREATE TABLE table_20338 ("School" TEXT, "Location" TEXT, "Control" TEXT, "Type" TEXT, "Enrollment" FLOAT, "Founded" FLOAT)

Name the location when control is private and founded is 1870
SELECT "Location" FROM table_20338 WHERE "Control" = 'Private' AND "Founded" = '1870'
SELECT "Location" FROM "table_20338" WHERE "Control" = 'Private' AND "Founded" = '1870'