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_name_45 (Id VARCHAR)
### Question:
What is the 1999 for an A 1991, and a 1r 1997?
### Answer:
SELECT 1999 FROM table_name_45 WHERE 1991 = "a" AND 1997 = "1r"