Who did Walter B. Jones, Sr. (d) succeeded in office?
CREATE TABLE "table1_1847180_4" (
  "district" text,
  "vacator" text,
  "reason_for_change" text,
  "successor" text,
  "date_successor_seated" text
);
SELECT "vacator" FROM "table1_1847180_4" WHERE "successor"='Walter B. Jones, Sr. (D)';