human
Considering the provided database schema and associated query, produce SQL code to retrieve the answer to the query. 
###Database Schema: Year, Manufacturer, Start, Finish, Team
###Question: What is the smallest finish time for a race where start was less than 3, buick was the manufacturer, and the race was held after 1978?
gpt
SELECT MIN Finish FROM table WHERE Year > 1978 AND Manufacturer = buick AND Start < 3