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_2 ( model_number VARCHAR, voltage VARCHAR, frequency VARCHAR )

### Question ###
What is Model Number, when Voltage is 2.0V, and when Frequency is 350 mhz?

### Accurate SQL ###

SELECT model_number FROM table_name_2 WHERE voltage = "2.0v" AND frequency = "350 mhz"