CREATE TABLE "complete_world_championship_formula_one_" (
  "year" real,
  "entrant" text,
  "chassis" text,
  "engine" text,
  "pts" text
);

Question: What year has 54 (73) points?
SQL: SELECT SUM("year") FROM "complete_world_championship_formula_one_" WHERE "pts"='54 (73)';

Question: What is the chassis more recent than 1967?
SQL: SELECT "chassis" FROM "complete_world_championship_formula_one_" WHERE "year">1967;

Question: What is the year of the Lotus 25 chassis?
SQL: SELECT AVG("year") FROM "complete_world_championship_formula_one_" WHERE "chassis"='lotus 25';

Question: What is the year of the Lotus 18 chassis?
SQL: SELECT COUNT("year") FROM "complete_world_championship_formula_one_" WHERE "chassis"='lotus 18';