CREATE TABLE table_3449 ("Country" TEXT, "Population in 2011  ( In thousands ) " FLOAT, "GDP  ( nominal )  in 2011  (  USD millions ) " FLOAT, "GDP  ( nominal )  per capita" FLOAT, "GDP  ( PPP )  in 2011  (  USD millions ) " FLOAT, "GDP  ( PPP )  per capita" FLOAT, "Merchandise exports  ( $ billions )  ,  2011" TEXT, "Merchandise imports  ( $ billions )  ,  2011" TEXT, "Exports to Mercosur  ( % of each ,  2010 ) " TEXT, "Imports from Mercosur  ( % of each ,  2010 ) " TEXT)

What is the lowest GDP (ppp) per capita?
SELECT MIN("GDP (PPP) per capita") FROM table_3449
SELECT MIN("GDP (PPP) per capita") FROM "table_3449"