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_89 (completed INTEGER, material VARCHAR)
### Question:
When was the most recent statue that was made out of solid granite completed?
### Answer:
SELECT MAX(completed) FROM table_name_89 WHERE material = "solid granite"