CREATE TABLE table_24502 ("District" CLOB, "Vacator" CLOB, "Reason for change" CLOB, "Successor" CLOB, "Date successor seated" CLOB)

How many people vacated to successor Dave E. Satterfield, Jr. (d)?
SELECT COUNT("Vacator") FROM table_24502 WHERE "Successor" = 'Dave E. Satterfield, Jr. (D)'
SELECT COUNT("Vacator") FROM "table_24502" WHERE "Successor" = 'Dave E. Satterfield, Jr. (D)'