Table: forti_race_results
Columns: year
entrant
chassis
engine
points

Question: What year featured lola motorsport as an entrant with over 0 points?
SQL: SELECT AVG("year") FROM forti_race_results WHERE "entrant" = 'lola motorsport' AND "points" > 0

Question: When is the earliest year that there's a judd engine?
SQL: SELECT MIN("year") FROM forti_race_results WHERE "engine" = 'judd'

Question: What chassis is used in 1989 with a cosworth engine?
SQL: SELECT "chassis" FROM forti_race_results WHERE "year" = 1989 AND "engine" = 'cosworth'