Question: Name the replaced by for 8 July 2009
SQL: SELECT "Replaced by" FROM "1-22640051-3" WHERE "Date of appointment" = '8 July 2009';

Question: Name the total number of replaced by for 13 June 2009
SQL: SELECT COUNT("Replaced by") FROM "1-22640051-3" WHERE "Date of appointment" = '13 June 2009';

Question: Name the date of vacancy for Manuel Pellegrini
SQL: SELECT "Date of vacancy" FROM "1-22640051-3" WHERE "Outgoing manager" = 'Manuel Pellegrini';