Table: thierry_boutsen_stats
Columns: year
team
chassis
engine
points

Question: What is the average point total for arrows racing team before 1983?
SQL: SELECT AVG("points") FROM thierry_boutsen_stats WHERE "team" = 'arrows racing team' AND "year" < 1983

Question: What team has jordan 193 chassis after 1990?
SQL: SELECT "team" FROM thierry_boutsen_stats WHERE "year" > 1990 AND "chassis" = 'jordan 193'

Question: How many points for the cosworth v8 engine after 1985?
SQL: SELECT "points" FROM thierry_boutsen_stats WHERE "year" > 1985 AND "engine" = 'cosworth v8'