Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_21692771_1 (isin VARCHAR, maturity VARCHAR)
### Question:
What is the ISIN associated with the maturity date of 3/11/2011?
### Answer:
SELECT isin FROM table_21692771_1 WHERE maturity = "3/11/2011"