Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_name_88 ( tournament VARCHAR )

### Question ###
With a 1992 result of A, and at the U.S. Open Tournament, what is the 1989 result?

### Accurate SQL ###

SELECT 1989 FROM table_name_88 WHERE 1992 = "a" AND tournament = "u.s. open"