Question: Who was the outgoing manager that was replaced by Thomas von Heesen?
SQL: SELECT "Outgoing manager" FROM "2-17054062-2" WHERE "Replaced by" = 'Thomas von Heesen';

Question: What was the date of vacancy of Svetozar Šapurić who departed with Mutual consent?
SQL: SELECT "Date of vacancy" FROM "2-17054062-2" WHERE "Manner of departure" = 'Mutual consent' AND "Outgoing manager" = 'Svetozar Šapurić';

Question: What was the date of appointment for Christos Kassianos who belonged to AEK?
SQL: SELECT "Date of appointment" FROM "2-17054062-2" WHERE "Team" = 'AEK' AND "Replaced by" = 'Christos Kassianos';