user: Question: What is the total number of area listed for cannonvale with a population less than 409?
Columns: ['Place', 'Code', 'Area (km 2 )', 'Population', 'Most spoken language']
Types: ['text', 'real', 'real', 'real', 'text']
Sample row: ['Beachview', 27501.0, 0.78, 500.0, 'Afrikaans']
SQL:

assistant: SELECT COUNT("Area (km 2 )") FROM "Table" WHERE "Population" < 409.0 AND "Place" = 'cannonvale';