user: ### NOW ANSWER:
Question: What is the lowest density of a town with a 13708 2011 population census ?
Columns: ['Local Government Area', 'Principal town', 'Land Area (km²)', 'Population 2011 census', 'Density']
Types: ['text', 'text', 'real', 'real', 'real']
Sample row: ["Break O'Day", 'St Helens', 3525.8, 6194.0, 1.8]
SQL:

assistant: SELECT MIN("Density") FROM "Table" WHERE "Population 2011 census" = 13708.0;