user: Question: Name the number of v core for model number Mobile Athlon 64 3000+
Columns: ['Model Number', 'Frequency', 'L2 Cache', 'HT', 'Mult. 1', 'V Core', 'TDP', 'Socket', 'Release Date', 'Part Number(s)']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Mobile Athlon 64 2700+', '1600MHz', '512 kB', '800MHz', '8x', '1.50V', '19 - 81.5W', 'Socket754', 'May 2004', 'AMA2700BEY4AP (C0)']
SQL:

assistant: SELECT "V Core" FROM "Table" WHERE "Model Number" = 'Mobile Athlon 64 3000+';