CREATE TABLE table_name_75 (date_of_vacancy VARCHAR(255), manner_of_departure VARCHAR(255), date_of_appointment VARCHAR(255))
What is the vacancy date for the manager appointed on 2 November 2009 who left due to mutual consent?
    
SQL: SELECT date_of_vacancy FROM table_name_75 WHERE manner_of_departure = "mutual consent" AND date_of_appointment = "2 november 2009"