CREATE TABLE table_24395 ("State  ( class ) " TEXT, "Vacator" TEXT, "Reason for change" TEXT, "Successor" TEXT, "Date of successors formal installation" TEXT)

Who was the successor for the new seat?
SELECT "Successor" FROM table_24395 WHERE "Vacator" = 'New seat'
SELECT "Successor" FROM "table_24395" WHERE "Vacator" = 'New seat'