CREATE TABLE "table1_21692771_1" (
  "issuer" text,
  "issue_date" text,
  "isin" text,
  "amount_issued" text,
  "coupon" text,
  "maturity" text
);

Question: What is the ISIN that has a coupon of 1.02 and a value issued of 447,000,000?
SQL: SELECT "isin" FROM "table1_21692771_1" WHERE "coupon"='1.02' AND "amount_issued"='447,000,000';

Question: What is the ISIN that has an amount issued of 223,000,000?
SQL: SELECT "isin" FROM "table1_21692771_1" WHERE "amount_issued"='223,000,000';

Question: What is the maturity that has a coupon of exactly 0.726?
SQL: SELECT "maturity" FROM "table1_21692771_1" WHERE "coupon"='0.726';

Question: What is the coupon that has an issuer of Commerzbank AG?
SQL: SELECT "coupon" FROM "table1_21692771_1" WHERE "issuer"='COMMERZBANK AG';

Question: What is the maturity date of the ISIN labeled DE000A0BVBN3?
SQL: SELECT "maturity" FROM "table1_21692771_1" WHERE "isin"='DE000A0BVBN3';

Question: What is the ISIN associated with the maturity date of 3/11/2011?
SQL: SELECT "isin" FROM "table1_21692771_1" WHERE "maturity"='3/11/2011';