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_59 (tournament VARCHAR)
### Question:
What is 1994, when 1991 is "QF", and when Tournament is "Australian Open"?
### Answer:
SELECT 1994 FROM table_name_59 WHERE 1991 = "qf" AND tournament = "australian open"