CREATE TABLE table_2619 ("Office" TEXT, "Type" TEXT, "Location" TEXT, "Elected" TEXT, "Term began" TEXT, "Term ended" TEXT)

When did the term end that began December 4, 1978?
SELECT "Term ended" FROM table_2619 WHERE "Term began" = 'December 4, 1978'
SELECT "Term ended" FROM "table_2619" WHERE "Term began" = 'December 4, 1978'