human
Considering the provided database schema and associated query, produce SQL code to retrieve the answer to the query. 
###Database Schema: Team, Outgoing manager, Manner of departure, Date of vacancy, Table, Incoming manager, Date of appointment
###Question: What was the date of appointment for incoming manager Roy Hodgson and the team is Liverpool?
gpt
SELECT Date of appointment FROM table WHERE Team = Liverpool AND Incoming manager = Roy Hodgson