CREATE TABLE table_23911 ("School" TEXT, "Location ( s ) " TEXT, "Control" TEXT, "Type" TEXT, "Accreditation" TEXT, "Founded" FLOAT, "Enrollment" TEXT)

What was the largest founded year for schools having enrollment of exactly 696?
SELECT MAX("Founded") FROM table_23911 WHERE "Enrollment" = '696'
SELECT MAX("Founded") FROM "table_23911" WHERE "Enrollment" = '696'