What is the highest year premiered when Benjamin Castaldi is main presenter?
CREATE TABLE table_24224647_2 (
    year_premiered INTEGER,
    main_presenter VARCHAR
)
SELECT MAX(year_premiered) FROM table_24224647_2 WHERE main_presenter = "Benjamin Castaldi"
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: What is the highest year premiered when Benjamin Castaldi is main presenter? ### Input: CREATE TABLE table_24224647_2 (
    year_premiered INTEGER,
    main_presenter VARCHAR
) ### Response: SELECT MAX(year_premiered) FROM table_24224647_2 WHERE main_presenter = "Benjamin Castaldi"