How many years premiered have Sa Beining as main presenter?
CREATE TABLE table_24224647_2 (
    year_premiered VARCHAR,
    main_presenter VARCHAR
)
SELECT COUNT(year_premiered) FROM table_24224647_2 WHERE main_presenter = "Sa Beining"
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: How many years premiered have Sa Beining as main presenter? ### Input: CREATE TABLE table_24224647_2 (
    year_premiered VARCHAR,
    main_presenter VARCHAR
) ### Response: SELECT COUNT(year_premiered) FROM table_24224647_2 WHERE main_presenter = "Sa Beining"