user: Question: What is the lowest Population (1 July 2005 est.), when Population density (per km²) is 0?
Columns: ['Name', 'Subdivisions', 'Area (km²)', 'Population (1 July 2005 est.)', 'Population density (per km²)', 'Capital']
Types: ['text', 'text', 'real', 'real', 'real', 'text']
Sample row: ['Antigua and Barbuda', 'Parishes', 440.0, 85632.0, 195.0, "St. John's"]
SQL:

assistant: SELECT MIN("Population (1 July 2005 est.)") FROM "Table" WHERE "Population density (per km²)" = 0.0;