Which Date has a Result of win, and a Round smaller than 2, and an Opponent of myron greenberg?
CREATE TABLE "amateur_boxing_record_roy_scheider" (
  "result" text,
  "opponent" text,
  "method" text,
  "date" text,
  "round" real
);
SELECT "date" FROM "amateur_boxing_record_roy_scheider" WHERE "result"='win' AND "round"<2 AND "opponent"='myron greenberg';