SELECT year FROM table_1939202_2 WHERE league = "USL Second division" AND playoffs = "Semifinals" AND us_open_cup = "Quarterfinals"
Tahun berapa perempat final Piala Terbuka AS, playoff di semifinal untuk Divisi Kedua USL?
CREATE TABLE table_1939202_2 (year VARCHAR, us_open_cup VARCHAR, league VARCHAR, playoffs VARCHAR)