Who was the outgoing manager when the incoming manager was joão pereira?
CREATE TABLE "managerial_changes" (
  "team" text,
  "outgoing_manage" text,
  "manner" text,
  "date_of_vacancy" text,
  "incoming_manager" text,
  "date_of_appointment" text
);
SELECT "outgoing_manage" FROM "managerial_changes" WHERE "incoming_manager"='João Pereira';