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

Question: What date did Micky Adams vacate his position?
SQL: SELECT "date_of_vacancy" FROM league_one_managers WHERE "outgoing_manager" = 'Micky Adams'

Question: Which vacancy happened on 4 November 2008?
SQL: SELECT "position_in_table" FROM league_one_managers WHERE "date_of_vacancy" = '4 November 2008'

Question: How many times did Keith Downing depart a position?
SQL: SELECT COUNT("position_in_table") FROM league_one_managers WHERE "outgoing_manager" = 'Keith Downing'

Question: Which team appointed a person on 23 December 2008?
SQL: SELECT "team" FROM league_one_managers WHERE "date_of_appointment" = '23 December 2008'

Question: What date did the Milton Keynes Dons appoint?
SQL: SELECT "date_of_appointment" FROM league_one_managers WHERE "team" = 'Milton Keynes Dons'

Question: Which vacancy occurred on 16 February 2009?
SQL: SELECT "position_in_table" FROM league_one_managers WHERE "date_of_vacancy" = '16 February 2009'