What points have 500cc as a class, and nsr500 as a machine?
CREATE TABLE "motorcycle_grand_prix_results" (
  "year" real,
  "class" text,
  "team" text,
  "machine" text,
  "points" real,
  "rank" text,
  "wins" real
);
SELECT "points" FROM "motorcycle_grand_prix_results" WHERE "class"='500cc' AND "machine"='nsr500';