Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_27322 ( "Region" text, "Prison inmates Men" real, "Prison inmates Women" real, "Prison inmates Total" real, "Incarceration rate Male" real, "Incarceration rate Female" real, "Incarceration rate Total" real, "Country comparison" text )

### Question ###
What is the male incarceration rate of maule?

### Accurate SQL ###

SELECT MAX("Incarceration rate Male") FROM table_27322 WHERE "Region" = 'Maule'