CREATE TABLE "complete_formula_one_world_championship_" (
  "year" real,
  "entrant" text,
  "chassis" text,
  "engine" text,
  "points" real
);

Question: Which engine did dr ing f porsche kg use with the porsche rsk (f2) chassis?
SQL: SELECT "engine" FROM "complete_formula_one_world_championship_" WHERE "entrant"='dr ing f porsche kg' AND "chassis"='porsche rsk (f2)';

Question: What chassis did the porsche flat-4 use before 1958?
SQL: SELECT "chassis" FROM "complete_formula_one_world_championship_" WHERE "engine"='porsche flat-4' AND "year"<1958;

Question: What engine did the porsche 718 chassis use?
SQL: SELECT "engine" FROM "complete_formula_one_world_championship_" WHERE "chassis"='porsche 718';

Question: Which year had more than 0 points?
SQL: SELECT COUNT("year") FROM "complete_formula_one_world_championship_" WHERE "points">0;