Table: league_manager_changes_4
Columns: team
outgoing_manager
manner_of_departure
date_of_vacancy
replaced_by
date_of_appointment

Question: What team's manager was replaced by Ercan Ertemçöz?
SQL: SELECT "team" FROM league_manager_changes_4 WHERE "replaced_by" = 'Ercan Ertemçöz'

Question: What was the date of appointment for the manager replacing Kadir Özcan?
SQL: SELECT "date_of_appointment" FROM league_manager_changes_4 WHERE "outgoing_manager" = 'Kadir Özcan'

Question: Which manager was appointed on 08.06.2010?
SQL: SELECT "replaced_by" FROM league_manager_changes_4 WHERE "date_of_appointment" = '08.06.2010'

Question: Who replaced the previous manager of Altay?
SQL: SELECT "replaced_by" FROM league_manager_changes_4 WHERE "team" = 'Altay'

Question: What was date of appointment for Ergün Penbe? 
SQL: SELECT "date_of_appointment" FROM league_manager_changes_4 WHERE "replaced_by" = 'Ergün Penbe'