Table: manager_changes_2
Columns: team
outgoing_manager
manner_of_departure
date_of_vacancy
replaced_by
date_of_appointment

Question: How many times did Viorel Moldovan replaced a manager?
SQL: SELECT COUNT("date_of_vacancy") FROM manager_changes_2 WHERE "replaced_by" = 'Viorel Moldovan'

Question: What was the date of vacancy when Viorel Moldovan replaced a manager?
SQL: SELECT "date_of_vacancy" FROM manager_changes_2 WHERE "replaced_by" = 'Viorel Moldovan'

Question: Who replaced the manager on Team Cfr Cluj?
SQL: SELECT "replaced_by" FROM manager_changes_2 WHERE "team" = 'CFR Cluj'

Question: Who was the outgoing manager replaced by Marian Bucurescu?
SQL: SELECT "outgoing_manager" FROM manager_changes_2 WHERE "replaced_by" = 'Marian Bucurescu'

Question: What was the manner of departure of Nicolae Manea?
SQL: SELECT "manner_of_departure" FROM manager_changes_2 WHERE "outgoing_manager" = 'Nicolae Manea'