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_12002388_1 (open_cup VARCHAR, reg_season VARCHAR)

### Question ###
What was the result of the open cup when they finished 4th in the regular season?

### Accurate SQL ###

SELECT open_cup FROM table_12002388_1 WHERE reg_season = "4th"