Table: race_results_2008_italian
Columns: rider
manufacturer
laps
time
grid

Question: What are the average Laps on Grid 15?
SQL: SELECT AVG("laps") FROM race_results_2008_italian WHERE "grid" = 15

Question: What is the lowest number of Laps that have a Time of +24.440, and a Grid higher than 18?
SQL: SELECT MIN("laps") FROM race_results_2008_italian WHERE "time" = '+24.440' AND "grid" > 18

Question: What is the highest number of Laps that have a Time of +18.366, and a Grid lower than 13?
SQL: SELECT MAX("laps") FROM race_results_2008_italian WHERE "grid" < 13 AND "time" = '+18.366'