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_27133147_3 (date_of_vacancy VARCHAR, manner_of_departure VARCHAR, position_in_table VARCHAR)

### Question ###
If the position in table is 10th, and the manner of departure was resigned, what was the date of vacancy?

### Accurate SQL ###

SELECT date_of_vacancy FROM table_27133147_3 WHERE manner_of_departure = "Resigned" AND position_in_table = "10th"