Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_1046170_5 (playoffs VARCHAR, us_open_cup VARCHAR)
### Question:
what are all the playoffs for u.s. open cup in 1st round
### Answer:
SELECT playoffs FROM table_1046170_5 WHERE us_open_cup = "1st Round"