CREATE TABLE table_17275810_7 (manner_of_departure VARCHAR2, replaced_by VARCHAR2)

Name the manner of departure for elvio selighini
SELECT manner_of_departure FROM table_17275810_7 WHERE replaced_by = "Elvio Selighini"
SELECT "manner_of_departure" FROM "table_17275810_7" WHERE "Elvio Selighini" = "replaced_by"