human
Considering the provided database schema and associated query, produce SQL code to retrieve the answer to the query. 
###Database Schema: Model, Code name, CPU support, FSB / HT (MHz), Southbridge
###Question: What is the code name when the Southbridge shows as amd-766, via-vt82c686b?
gpt
SELECT Code name FROM table WHERE Southbridge = amd-766, via-vt82c686b