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_94 (tournament VARCHAR)
### Question:
What is the 2009 entry for the row that has a 2007 entry of A and a tournament entry of US Open?
### Answer:
SELECT 2009 FROM table_name_94 WHERE 2007 = "a" AND tournament = "us open"