user: Question: What is the least total?
Columns: ['Sl. No', 'Category wise', 'Single lane', 'Intermediate lane', 'Double lane', 'Multi lane', 'Total']
Types: ['real', 'text', 'real', 'real', 'real', 'real', 'real']
Sample row: [1.0, 'National highways', 18.0, 42.0, 2685.0, 2128.0, 4873.0]
SQL:

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