CREATE TABLE "managerial_changes" (
  "team" text,
  "outgoing_manager" text,
  "date_of_departure" text,
  "replaced_by" text,
  "date_of_appointment" text
);

Question: When was the appointment date for the manager replaced by Lucien Favre?
SQL: SELECT "date_of_appointment" FROM "managerial_changes" WHERE "replaced_by"='lucien favre';

Question: When is the appointment date for outgoing manager Petrik Sander?
SQL: SELECT "date_of_appointment" FROM "managerial_changes" WHERE "outgoing_manager"='petrik sander';

Question: When was the appointment date for VFL Wolfsburg?
SQL: SELECT "date_of_appointment" FROM "managerial_changes" WHERE "team"='vfl wolfsburg';

Question: When was the departure date when a manager was replaced by Bojan Prašnikar?
SQL: SELECT "date_of_departure" FROM "managerial_changes" WHERE "replaced_by"='bojan prašnikar';