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_29399 ( "Model Number" text, "Frequency" text, "L2 Cache" text, "HT" text, "Mult. 1" text, "V Core" text, "TDP" text, "Socket" text, "Release Date" text, "Part Number(s)" text )

### Question ###
Name the number of v core for model number mobile athlon 64 3000+

### Accurate SQL ###

SELECT COUNT("V Core") FROM table_29399 WHERE "Model Number" = 'Mobile Athlon 64 3000+'