CREATE TABLE table_656 ("Department" TEXT, "Acronym" TEXT, "Office" TEXT, "Incumbent" TEXT, "in Office since" TEXT)

what's the department with acronym being deped (ked)
SELECT "Department" FROM table_656 WHERE "Acronym" = 'DepEd (KEd)'
SELECT "Department" FROM "table_656" WHERE "Acronym" = 'DepEd (KEd)'