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_name_24 (event VARCHAR, opponent VARCHAR, res VARCHAR, round VARCHAR)
### Question:
Which event is a win by an opponent of Nicolas Smith, with the round marked n/a?
### Answer:
SELECT event FROM table_name_24 WHERE res = "win" AND round = "n/a" AND opponent = "nicolas smith"