user: Question: What is the lowest profits (billion $) for the rank 6?
Columns: ['Rank', 'Company', 'Headquarters', 'Industry', 'Sales (billion $)', 'Profits (billion $)', 'Assets (billion $)', 'Market Value (billion $)']
Types: ['real', 'text', 'text', 'text', 'real', 'real', 'real', 'real']
Sample row: [1.0, 'Citigroup', 'USA', 'Banking', 120.32, 24.64, 1494.04, 230.93]
SQL:

assistant: SELECT MIN("Profits (billion $)") FROM "Table" WHERE "Rank" = 6.0;