What is the highest episode number in which Jamie Oliver guest-hosted?
CREATE TABLE table_name_89 (episode_number INTEGER, guest_host VARCHAR)
SELECT MAX(episode_number) FROM table_name_89 WHERE guest_host = "jamie oliver"
### Context: CREATE TABLE table_name_89 (episode_number INTEGER, guest_host VARCHAR) ### Question: What is the highest episode number in which Jamie Oliver guest-hosted? ### Answer: SELECT MAX(episode_number) FROM table_name_89 WHERE guest_host = "jamie oliver"