What is the coupon that has an issuer of Commerzbank AG?
CREATE TABLE table_21692771_1 (coupon VARCHAR, issuer VARCHAR)
SELECT coupon FROM table_21692771_1 WHERE issuer = "COMMERZBANK AG"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_21692771_1 (coupon VARCHAR, issuer VARCHAR) Question: What is the coupon that has an issuer of Commerzbank AG? [/INST] SELECT coupon FROM table_21692771_1 WHERE issuer = "COMMERZBANK AG" </s>