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_25042332_31 (incarceration_rate_male INTEGER, region VARCHAR)
### Question:
What is the male incarceration rate of maule?
### Answer:
SELECT MAX(incarceration_rate_male) FROM table_25042332_31 WHERE region = "Maule"