Question: Which year has a total of 0 points and a chassis of Toleman TG181?
SQL: SELECT AVG("Year") FROM "2-1158017-1" WHERE "Points" = 0.0 AND "Chassis" = 'Toleman TG181';

Question: What is the latest year that has more than 5 points and a renault ef15 1.5 v6 t engine?
SQL: SELECT MAX("Year") FROM "2-1158017-1" WHERE "Engine" = 'renault ef15 1.5 v6 t' AND "Points" > 5.0;

Question: Which year had a toleman tg183 chassis?
SQL: SELECT COUNT("Year") FROM "2-1158017-1" WHERE "Chassis" = 'toleman tg183';