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: When grid is less than 7, laps are greater than 17, and time/retired is + 1:35.6, who is the constructor?
gpt
SELECT Constructor FROM table WHERE Laps > 17 AND Grid < 7 AND Time/Retired = + 1:35.6