On which date was the manager fired and replaced by Albert Cartier?
CREATE TABLE "managerial_changes" (
  "team" text,
  "outgoing_manager" text,
  "manner_of_departure" text,
  "date_of_vacancy" text,
  "replaced_by" text,
  "date_of_appointment" text
);
SELECT "date_of_vacancy" FROM "managerial_changes" WHERE "manner_of_departure"='fired' AND "replaced_by"='albert cartier';