Question: What was the regular season standings for the year when the playoffs reached the conference semifinals and the team did not qualify for the US Open Cup?
Schema: create table table_14225409_1 (reg_season varchar, playoffs varchar, us_open_cup varchar, PRIMARY KEY (reg_season))
SQL: select reg_season from table_14225409_1 where playoffs = "conference semifinals" and us_open_cup = "did not qualify"