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_14256 ( "Model number" text, "sSpec number" text, "Cores" real, "Frequency" text, "Turbo" text, "L2 cache" text, "L3 cache" text, "GPU model" text, "GPU frequency" text, "Socket" text, "I/O bus" text, "Release date" text, "Part number(s)" text, "Release price ( USD )" text )

### Question ###
what is the gpu frequency when the part number is cw8064701470702?

### Accurate SQL ###

SELECT "GPU frequency" FROM table_14256 WHERE "Part number(s)" = 'cw8064701470702'