CREATE TABLE table_25052 ("Rank Subcontinent" FLOAT, "Rank Asia" FLOAT, "Rank World" FLOAT, "Country" CLOB, "2011 GDP  ( PPP )  billions of USD" CLOB)

Name the 2011 gdp for 65 rank world
SELECT "2011 GDP (PPP) billions of USD" FROM table_25052 WHERE "Rank World" = '65'
SELECT "2011 GDP (PPP) billions of USD" FROM "table_25052" WHERE "Rank World" = '65'