Class of 125cc, and a Year smaller than 1966 had what lowest wins?
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 "class"='125cc' AND "year"<1966;