user: Question: How many places named Asan-Maina?
Columns: ['Village', 'Area km²', 'Population (2000 census )', 'Region', 'Pop. Density']
Types: ['text', 'text', 'real', 'text', 'real']
Sample row: ['Agana Heights', '2.68', 3940.0, 'Central', 1470.0]
SQL:

assistant: SELECT COUNT("Region") FROM "Table" WHERE "Village" = 'Asan-Maina';