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_45 (identifier VARCHAR, power VARCHAR)
### Question:
What is the identifier that has 50,000 watts of power?
### Answer:
SELECT identifier FROM table_name_45 WHERE power = "50,000 watts"