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 (frequency VARCHAR, order_part_number VARCHAR)
### Question:
what is the frequency of part number tmn550dcr23gm?
### Answer:
SELECT frequency FROM table_name_4 WHERE order_part_number = "tmn550dcr23gm"