Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
How many regions have a capital of matanzas and a 2005 population under 670427?

### Inputs:
table_name: table, columns: ['Province', 'Capital', 'Population (2005)', 'Population (%)', 'Area (km²)', 'Area (%)', 'Density']

### Response:
SELECT COUNT Area (km²) FROM table WHERE Capital = matanzas AND Population (2005) < 670427