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

Question: What team appointed a manager on 12 June?
SQL: SELECT "team" FROM "managerial_changes" WHERE "date_of_appointment"='12 June';

Question: Who was replaced on 11 July?
SQL: SELECT "replaced_by" FROM "managerial_changes" WHERE "date_of_appointment"='11 July';

Question: Who left a position on 29 May?
SQL: SELECT "outgoing_manager" FROM "managerial_changes" WHERE "date_of_vacancy"='29 May';

Question: Who left a position on 24 January?
SQL: SELECT "outgoing_manager" FROM "managerial_changes" WHERE "date_of_vacancy"='24 January';

Question: How many vacancies happened on 25 May?
SQL: SELECT COUNT("manner_of_departure") FROM "managerial_changes" WHERE "date_of_vacancy"='25 May';