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_24172157_3 ( date_of_vacancy VARCHAR, table VARCHAR, team VARCHAR )

### Question ###
What is the date of vacancy for the Liverpool team with a table named pre-season?

### Accurate SQL ###

SELECT date_of_vacancy FROM table_24172157_3 WHERE table = "Pre-season" AND team = "Liverpool"