CREATE TABLE "amateur_boxing_record_roy_scheider" (
  "result" text,
  "opponent" text,
  "method" text,
  "date" text,
  "round" real
);

Question: When did alfonse d'amore compete?
SQL: SELECT "date" FROM "amateur_boxing_record_roy_scheider" WHERE "opponent"='alfonse d''amore';

Question: Which Round has a Method of ko, and a Date of 1958?
SQL: SELECT MIN("round") FROM "amateur_boxing_record_roy_scheider" WHERE "method"='ko' AND "date"='1958';

Question: Which Date has a Result of win, and a Round smaller than 2, and an Opponent of myron greenberg?
SQL: SELECT "date" FROM "amateur_boxing_record_roy_scheider" WHERE "result"='win' AND "round"<2 AND "opponent"='myron greenberg';

Question: Which Round has a Method of ko, and an Opponent of alfonse d'amore?
SQL: SELECT "round" FROM "amateur_boxing_record_roy_scheider" WHERE "method"='ko' AND "opponent"='alfonse d''amore';