What is the least amount of wins earlier than 1964 with more than 7 points?
CREATE TABLE "motorcycle_grand_prix_results" (
  "year" real,
  "class" text,
  "team" text,
  "points" real,
  "wins" real
);
SELECT MIN("wins") FROM "motorcycle_grand_prix_results" WHERE "year"<1964 AND "points">7;