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_9 (unit VARCHAR, avoirdupois_value VARCHAR)
### Question:
What unit has an Avoirdupois value of 57.602 gr.?
### Answer:
SELECT unit FROM table_name_9 WHERE avoirdupois_value = "57.602 gr."