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_appointment VARCHAR, team VARCHAR, incoming_manager VARCHAR )

### Question ###
What was the date of appointment for incoming manager Roy Hodgson and the team is Liverpool?

### Accurate SQL ###

SELECT date_of_appointment FROM table_24172157_3 WHERE team = "Liverpool" AND incoming_manager = "Roy Hodgson"