Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_24224647_2 (year_premiered VARCHAR, main_presenter VARCHAR)
### Question:
How many years premiered have Sa Beining as main presenter?
### Answer:
SELECT COUNT(year_premiered) FROM table_24224647_2 WHERE main_presenter = "Sa Beining"