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 "2-18522916-5" 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 "2-18522916-5" 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 "2-18522916-5" WHERE "Position in table" = '10th' AND "Team" = 'Balboa';

Question: Who replaced when the position in table is 5th?
SQL: SELECT "Replaced by" FROM "2-18522916-5" WHERE "Position in table" = '5th';

Question: Who is the outgoing manager when they were replaced by Pablo Centrone?
SQL: SELECT "Outgoing manager" FROM "2-18522916-5" 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 "2-18522916-5" WHERE "Team" = 'Firpo' AND "Replaced by" = 'Oscar Benitez';