Table: hurling_manager_changes
Columns: team
outgoing_manager
manner_of_departure
date_of_vacancy
replaced_by
date_of_appointment
position

Question: When are team Galway's dates of appointment?
SQL: SELECT "date_of_appointment" FROM hurling_manager_changes WHERE "team" = 'Galway'

Question: When are the vacancy dates for outgoing manager Damien Fox?
SQL: SELECT "date_of_vacancy" FROM hurling_manager_changes WHERE "outgoing_manager" = 'Damien Fox'

Question: When is the date of vacancy of Davy Fitzgerald being a replacement?
SQL: SELECT "date_of_vacancy" FROM hurling_manager_changes WHERE "replaced_by" = 'Davy FitzGerald'

Question: Which team has the outgoing manager John Meyler?
SQL: SELECT "team" FROM hurling_manager_changes WHERE "outgoing_manager" = 'John Meyler'