CREATE TABLE table_73404 ("District" CLOB, "Vacator" CLOB, "Reason for change" CLOB, "Successor" CLOB, "Date successor seated" CLOB)

Who is the vacator when south carolina 4th is the district?
SELECT "Vacator" FROM table_73404 WHERE "District" = 'South Carolina 4th'
SELECT "Vacator" FROM "table_73404" WHERE "District" = 'South Carolina 4th'