CREATE TABLE table_23259 ("Institution" TEXT, "Location" TEXT, "Nickname" TEXT, "Founded" FLOAT, "Type" TEXT, "Enrollment" FLOAT, "Primary Conference" TEXT, "LEC Sport" TEXT)

When was the school in Salem, Massachusetts located?
SELECT "Founded" FROM table_23259 WHERE "Location" = 'Salem, Massachusetts'
SELECT "Founded" FROM "table_23259" WHERE "Location" = 'Salem, Massachusetts'