List the company name and rank for all companies in the decreasing order of their sales.
SELECT company ,  rank FROM company ORDER BY Sales_billion DESC
SELECT company ,  rank FROM company ORDER BY Sales_billion DESC
[{'Company': 'Royal Dutch Shell', 'Rank': 4}, {'Company': 'ExxonMobil', 'Rank': 1}, {'Company': 'BP', 'Rank': 11}, {'Company': 'PetroChina', 'Rank': 7}, {'Company': 'General Electric', 'Rank': 3}, {'Company': 'Petrobras', 'Rank': 10}, {'Company': 'Berkshire Hathaway', 'Rank': 8}, {'Company': 'HSBC', 'Rank': 6}, {'Company': 'Wells Fargo', 'Rank': 9}, {'Company': 'Industrial and Commercial Bank of China', 'Rank': 5}]