human
Considering the provided database schema and associated query, produce SQL code to retrieve the answer to the query. 
###Database Schema: Model, Launch, Model Number, Code name, Fab ( nm ), Bus interface, Memory ( MiB ), Core clock ( MHz ), Memory clock ( MHz ), Config core 1, Pixel ( GP /s), Texture ( GT /s), Bandwidth ( GB /s), Bus type, Bus width ( bit ), DirectX, OpenGL, Processing Power GFLOPs, TDP (Watts)GPU only, Features
###Question: How many values for fab(nm) if the model number is Whistler LP?
gpt
SELECT COUNT Fab ( nm ) FROM table WHERE Model Number = Whistler LP