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_4 (semifinal VARCHAR, athlete VARCHAR)
### Question:
Hossein Ojaghi participated in what semifinal.
### Answer:
SELECT semifinal FROM table_name_4 WHERE athlete = "hossein ojaghi"