Table: primera_division_managers_2008_2
Columns: team
outgoing_manager
manner_of_departure
date_of_vacancy
replaced_by
date_of_appointment
position_in_table

Question: What is the date of vacancy when the manner of departure is sacked and the team is nejapa?
SQL: SELECT "date_of_vacancy" FROM primera_division_managers_2008_2 WHERE "manner_of_departure" = 'sacked' AND "team" = 'nejapa'

Question: what is the date of vacancy when the date of appointment is 1 january 2009?
SQL: SELECT "date_of_vacancy" FROM primera_division_managers_2008_2 WHERE "date_of_appointment" = '1 january 2009'

Question: what is the date of vacancy when the position in table is 10th and the team is balboa?
SQL: SELECT "date_of_vacancy" FROM primera_division_managers_2008_2 WHERE "position_in_table" = '10th' AND "team" = 'balboa'

Question: Who replaced when the position in table is 5th?
SQL: SELECT "replaced_by" FROM primera_division_managers_2008_2 WHERE "position_in_table" = '5th'

Question: Who is the outgoing manager when they were replaced by pablo centrone?
SQL: SELECT "outgoing_manager" FROM primera_division_managers_2008_2 WHERE "replaced_by" = 'pablo centrone'

Question: what is the date of vacancy when the team is firpo and replaced by is oscar benitez?
SQL: SELECT "date_of_vacancy" FROM primera_division_managers_2008_2 WHERE "team" = 'firpo' AND "replaced_by" = 'oscar benitez'