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_8 (playoffs VARCHAR, year VARCHAR, league VARCHAR, open_cup VARCHAR)

### Question ###
NAME THE Playoffs that HAVE a League of npsl, and a Open Cup of did not enter, and a Year of 2013?

### Accurate SQL ###

SELECT playoffs FROM table_name_8 WHERE league = "npsl" AND open_cup = "did not enter" AND year = "2013"