user: Question: What is the population density of Caramoran?
Columns: ['Municipality', 'No. of Barangays', 'Area (hectares)', 'Population (2007)', 'Population (2010)', 'Pop. density (per km 2 )']
Types: ['text', 'real', 'real', 'real', 'real', 'text']
Sample row: ['Bagamanoc', 18.0, 8074.0, 10183.0, 11370.0, '140.8']
SQL:

assistant: SELECT "Pop. density (per km 2 )" FROM "Table" WHERE "Municipality" = 'Caramoran';