CREATE TABLE table_203_296 (id DECIMAL, "country" TEXT, "total gdp  ( nominal ) \ ( billion us$ ) " TEXT, "gdp per capita\ ( us$ ,  ppp ) " TEXT, "gdp growth , \ 2007-2011\ ( in % ) " DECIMAL, "hdi" TEXT)

what is the only country to have a gdp per capita of 6,324 ?
SELECT "country" FROM table_203_296 WHERE "gdp per capita\n(us$, ppp)" = 6324
SELECT "country" FROM "table_203_296" WHERE "gdp per capita\n(us$, ppp)" = 6324