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_name_32 ( part_number_s_ VARCHAR, frequency VARCHAR )

### Question ###
What is the part number of the model that has a frequency of 933mhz?

### Accurate SQL ###

SELECT part_number_s_ FROM table_name_32 WHERE frequency = "933mhz"