Table: league_two_managers
Columns: team
outgoing_manager
manner_of_departure
date_of_vacancy
replaced_by
date_of_appointment
position_in_table

Question: what is the manner of departure when the date of vacancy is 15 september 2008?
SQL: SELECT "manner_of_departure" FROM league_two_managers WHERE "date_of_vacancy" = '15 september 2008'

Question: who is the replacement when the team is port vale?
SQL: SELECT "replaced_by" FROM league_two_managers WHERE "team" = 'port vale'

Question: who is the replacement when the team is bournemouth and the outgoing manager is kevin bond?
SQL: SELECT "replaced_by" FROM league_two_managers WHERE "team" = 'bournemouth' AND "outgoing_manager" = 'kevin bond'

Question: who is the outgoing manager when the manner of departure is contract terminated and the date of vacancy is 1 september 2008?
SQL: SELECT "outgoing_manager" FROM league_two_managers WHERE "manner_of_departure" = 'contract terminated' AND "date_of_vacancy" = '1 september 2008'

Question: what is the date of vacancy when the manner of departure is contract terminated, the position in table is 23rd and the date of appointment is 31 december 2008?
SQL: SELECT "date_of_vacancy" FROM league_two_managers WHERE "manner_of_departure" = 'contract terminated' AND "position_in_table" = '23rd' AND "date_of_appointment" = '31 december 2008'

Question: who is the replacement when the date of vacancy is 1 september 2008?
SQL: SELECT "replaced_by" FROM league_two_managers WHERE "date_of_vacancy" = '1 september 2008'