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_18303274_1 (grand_prix VARCHAR, pole_position VARCHAR, round VARCHAR)
### Question:
Which round 5 Grand Prix had Daijiro Hiura at pole position? 
### Answer:
SELECT grand_prix FROM table_18303274_1 WHERE pole_position = "Daijiro Hiura" AND round = 5