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

Question: What is the average Year with Chassis equalling cooper t60?
SQL: SELECT AVG("year") FROM "complete_formula_one_world_championship_" WHERE "chassis"='cooper t60';

Question: Which Chassis has an Entrant of cooper car company, and a Year of 1963?
SQL: SELECT "chassis" FROM "complete_formula_one_world_championship_" WHERE "entrant"='cooper car company' AND "year"=1963;

Question: Which Entrant has an Engine of climax straight-4, and Points larger than 0?
SQL: SELECT "entrant" FROM "complete_formula_one_world_championship_" WHERE "engine"='climax straight-4' AND "points">0;