CREATE TABLE table_1639 ("Team" TEXT, "Outgoing manager" TEXT, "Manner of departure" TEXT, "Date of vacancy" TEXT, "Replaced by" TEXT, "Date of appointment" TEXT)

Name the replacced by with ascoli
SELECT "Replaced by" FROM table_1639 WHERE "Team" = 'Ascoli'
SELECT "Replaced by" FROM "table_1639" WHERE "Team" = 'Ascoli'