user: Question: What is the male incarceration rate of Maule?
Columns: ['Region', 'Prison inmates Men', 'Prison inmates Women', 'Prison inmates Total', 'Incarceration rate Male', 'Incarceration rate Female', 'Incarceration rate Total', 'Country comparison']
Types: ['text', 'real', 'real', 'real', 'real', 'real', 'real', 'text']
Sample row: ['Arica and Parinacota', 1883.0, 384.0, 2267.0, 2096.0, 404.0, 1226.0, 'none, too high']
SQL:

assistant: SELECT "Incarceration rate Male" FROM "Table" WHERE "Region" = 'Maule';