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_17 (identifier VARCHAR, power VARCHAR)
### Question:
what is the identifier when the power is 22500 watts?
### Answer:
SELECT identifier FROM table_name_17 WHERE power = "22500 watts"