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 Draft_Copies (document_id VARCHAR, copy_number VARCHAR)
### Question:
Which document has the most draft copies? List its document id and number of draft copies.
### Answer:
SELECT document_id, COUNT(copy_number) FROM Draft_Copies GROUP BY document_id ORDER BY COUNT(copy_number) DESC LIMIT 1