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: What is the average grid that has over 8 laps, a Time/Retired of +2 laps, and peter gethin driving?
gpt
SELECT AVG Grid FROM table WHERE Laps > 8 AND Time/Retired = +2 laps AND Driver = peter gethin