What team(s) had an outgoing manager of joão alves?
CREATE TABLE "managerial_changes" (
  "team" text,
  "outgoing_manage" text,
  "manner" text,
  "date_of_vacancy" text,
  "incoming_manager" text,
  "date_of_appointment" text
);
SELECT "team" FROM "managerial_changes" WHERE "outgoing_manage"='João Alves';