CREATE TABLE table_17187 ("Country" TEXT, "Population" FLOAT, "Area  ( km\\u00b2 ) " FLOAT, "GDP  ( nominal ) " TEXT, "GDP per capita  ( nominal ) " TEXT)

What is the gpa per capita (nominal) for the country with gdp (nominal) is $52.0 billion?
SELECT "GDP per capita (nominal)" FROM table_17187 WHERE "GDP (nominal)" = '$52.0 billion'
SELECT "GDP per capita (nominal)" FROM "table_17187" WHERE "GDP (nominal)" = '$52.0 billion'