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_2144389_9 (vocalist VARCHAR, rōmaji VARCHAR)
### Question:
When  pokémon ieru kana? bw is the romaji who is the vocalist?
### Answer:
SELECT vocalist FROM table_2144389_9 WHERE rōmaji = "Pokémon ieru kana? BW"