Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_name_30 ( replaced_by VARCHAR, position_in_table VARCHAR, manner_of_departure VARCHAR )

### Question ###
Who was the manager that was positioned 11th in table and resigned in departure?

### Accurate SQL ###

SELECT replaced_by FROM table_name_30 WHERE position_in_table = "11th" AND manner_of_departure = "resigned"