WHAT IS THE NUMBER OF COINS OF $25-1/4 OZ WITH $50-1/2 OZ OF 13,836, AND $100-01 OZ, SMALLER THAN 14,912?
CREATE TABLE "proof_coins" (
  "year" real,
  "10_1_10_oz" real,
  "25_1_4_oz" real,
  "50_1_2_oz" real,
  "100_1_oz" real
);
SELECT COUNT("25_1_4_oz") FROM "proof_coins" WHERE "50_1_2_oz"='13,836' AND "100_1_oz"<'14,912';