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_49715 ( "Model number" text, "Frequency" text, "L2 cache" text, "Mult." text, "Voltage" text, "Socket" text )

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

### Accurate SQL ###

SELECT "Model number" FROM table_49715 WHERE "Voltage" = '2.0v' AND "Frequency" = '350 mhz'