CREATE TABLE table_name_54 (gdp_per_capita__us$_ VARCHAR, population VARCHAR)

What is the GDP per capita (US$) of the country that has a Population of 2,011,473?
SELECT gdp_per_capita__us$_ FROM table_name_54 WHERE population = "2,011,473"
SELECT "gdp_per_capita__us$_" FROM "table_name_54" WHERE "2,011,473" = "population"