user: Question: Name the 2011 gdp for 65 rank world
Columns: ['Rank Subcontinent', 'Rank Asia', 'Rank World', 'Country', '2011 GDP (PPP) billions of USD']
Types: ['real', 'real', 'real', 'text', 'text']
Sample row: [1.0, 2.0, 3.0, 'India', '$4,469.763']
SQL:

assistant: SELECT "2011 GDP (PPP) billions of USD" FROM "Table" WHERE "Rank World" = 65.0;