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_16857_2 (mls_cup_playoffs VARCHAR, concacaf_champions_cup___champions_league VARCHAR, us_open_cup VARCHAR)

### Question ###
How did the team place when they did not qualify for the Concaf Champions Cup but made it to Round of 16 in the U.S. Open Cup?

### Accurate SQL ###

SELECT mls_cup_playoffs FROM table_16857_2 WHERE concacaf_champions_cup___champions_league = "Did not qualify" AND us_open_cup = "Round of 16"