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

Question: Name the total number of years for chassis of maserati 250f and points less than 0
SQL: SELECT COUNT("year") FROM "complete_formula_one_world_championship_" WHERE "chassis"='maserati 250f' AND "points"<0;

Question: Name the engine with chassis of maserati 250f and entrant of luigi piotti with year less than 1957
SQL: SELECT "engine" FROM "complete_formula_one_world_championship_" WHERE "chassis"='maserati 250f' AND "entrant"='luigi piotti' AND "year"<1957;

Question: Name the sum of points for chassis of maserati 250f and entrant of officine alfieri maserati
SQL: SELECT SUM("points") FROM "complete_formula_one_world_championship_" WHERE "chassis"='maserati 250f' AND "entrant"='officine alfieri maserati';

Question: Name the lowest points for officine alfieri maserati
SQL: SELECT MIN("points") FROM "complete_formula_one_world_championship_" WHERE "entrant"='officine alfieri maserati';