user: Question: What's the average area in Canada with a population density (per km²) larger than 3.4?
Columns: ['Country or territory', 'Area (km²)', 'Population', 'Population density (per km²)', 'Capital']
Types: ['text', 'real', 'real', 'real', 'text']
Sample row: ['Bermuda ( UK )', 54.0, 65000.0, 1203.7, 'Hamilton']
SQL:

assistant: SELECT AVG("Area (km²)") FROM "Table" WHERE "Country or territory" = 'Canada' AND "Population density (per km²)" > 3.4;