Question: what is the manner of departure when the date of vacancy is 15 September 2008?
SQL: SELECT "Manner of departure" FROM "2-18795125-6" WHERE "Date of vacancy" = '15 September 2008';

Question: who is the replacement when the team is Port Vale?
SQL: SELECT "Replaced by" FROM "2-18795125-6" 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 "2-18795125-6" 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 "2-18795125-6" 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 "2-18795125-6" 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 "2-18795125-6" WHERE "Date of vacancy" = '1 September 2008';