human
Considering the provided database schema and associated query, produce SQL code to retrieve the answer to the query. 
###Database Schema: Driver, Constructor, Laps, Time/Retired, Grid
###Question: How many laps does jean-christophe boullion have with a time/retired of +1 lap?
gpt
SELECT Laps FROM table WHERE Time/Retired = +1 lap AND Driver = jean-christophe boullion