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_2402864_1 ( playoffs VARCHAR, open_cup VARCHAR, year VARCHAR )

### Question ###
What was the playoff result where the league did not qualify in the Open Cup in 1998?

### Accurate SQL ###

SELECT playoffs FROM table_2402864_1 WHERE open_cup = "Did not qualify" AND year = 1998