CREATE TABLE "by_season" (
  "season" text,
  "champion" text,
  "team" text,
  "chassis" text,
  "engine" text
);

Question: What was the winning car's chassis for the 1982 season?
SQL: SELECT "chassis" FROM "by_season" WHERE "season"='1982';

Question: Which team, with champion Bastian Kolmsee, used a Dallara f302 for the chassis?
SQL: SELECT "team" FROM "by_season" WHERE "chassis"='dallara f302' AND "champion"='bastian kolmsee';

Question: What chassis was the car with the Volkswagen engine built on in 2010?
SQL: SELECT "chassis" FROM "by_season" WHERE "engine"='volkswagen' AND "season"='2010';

Question: Which engine did Korten Motorsport use?
SQL: SELECT "engine" FROM "by_season" WHERE "team"='korten motorsport';

Question: Who was the champion that drove the car with the Ford engine in 1971?
SQL: SELECT "champion" FROM "by_season" WHERE "engine"='ford' AND "season"='1971';

Question: In which season did Jimmy Eriksson win the championship for Team Lotus?
SQL: SELECT "season" FROM "by_season" WHERE "team"='lotus' AND "champion"='jimmy eriksson';