user: Question: Name the least rank
Columns: ['Rank', 'District', 'Population', 'Growth Rate', 'Sex Ratio', 'Literacy', 'Density/KM']
Types: ['real', 'text', 'real', 'text', 'real', 'text', 'real']
Sample row: [2.0, 'North 24 Parganas', 10082852.0, '12.86', 949.0, '84.95', 2463.0]
SQL:

assistant: SELECT MIN("Rank") FROM "Table";