user: Question: Name the world rank for market value 17.2
Columns: ['World Rank', 'Company', 'Industry', 'Revenue (billion $)', 'Profits (billion $)', 'Assets (billion $)', 'Market Value (billion $)']
Types: ['real', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: [332.0, 'Maybank', 'Banking', '9.1', '1.9', '161.4', '24.3']
SQL:

assistant: SELECT "World Rank" FROM "Table" WHERE "Market Value (billion $)" = '17.2';