human
Considering the provided database schema and associated query, produce SQL code to retrieve the answer to the query. 
###Database Schema: Year, Class, Team, Points, Wins
###Question: What is the average wins in 250cc class for Bultaco with 8 points later than 1966?
gpt
SELECT AVG Wins FROM table WHERE Class = 250cc AND Team = bultaco AND Year > 1966 AND Points = 8