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_13869651_3 ( frequency VARCHAR, part_number_s_ VARCHAR )

### Question ###
What is the frequency of the model whose part number is ado520biaa5do?

### Accurate SQL ###

SELECT frequency FROM table_13869651_3 WHERE part_number_s_ = "ADO520BIAA5DO"