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)

Name the number of v core for model number mobile athlon 64 3000+
SELECT COUNT("V Core") FROM table_29399 WHERE "Model Number" = 'Mobile Athlon 64 3000+'
SELECT COUNT("V Core") FROM "table_29399" WHERE "Model Number" = 'Mobile Athlon 64 3000+'