Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_24224647_2 ( year_premiered VARCHAR, main_presenter VARCHAR )

### Question ###
How many years premiered have Sa Beining as main presenter?

### Accurate SQL ###

SELECT COUNT(year_premiered) FROM table_24224647_2 WHERE main_presenter = "Sa Beining"