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_1939202_2 ( year VARCHAR, us_open_cup VARCHAR, league VARCHAR, playoffs VARCHAR )

### Question ###
What year at the US Open Cup quarterfinals, were the playoffs in the semifinals for the USL second division?

### Accurate SQL ###

SELECT year FROM table_1939202_2 WHERE league = "USL Second division" AND playoffs = "Semifinals" AND us_open_cup = "Quarterfinals"