user: Question: What is the median income of Maule?
Columns: ['Region', 'Median income ( Intl.$ )', 'Below 40% of median income', 'Below 50% of median income', 'Below 60% of median income']
Types: ['text', 'real', 'text', 'text', 'text']
Sample row: ['Arica and Parinacota', 7420.0, '9.3%', '17.8%', '24.9%']
SQL:

assistant: SELECT "Median income ( Intl.$ )" FROM "Table" WHERE "Region" = 'Maule';