CREATE TABLE table_name_8 (playoffs VARCHAR2, year VARCHAR2, league VARCHAR2, open_cup VARCHAR2)

NAME THE Playoffs that HAVE a League of npsl, and a Open Cup of did not enter, and a Year of 2013?
SELECT playoffs FROM table_name_8 WHERE league = "npsl" AND open_cup = "did not enter" AND year = "2013"
SELECT "playoffs" FROM "table_name_8" WHERE "2013" = "year" AND "did not enter" = "open_cup" AND "league" = "npsl"