CREATE TABLE table_21133193_1 (gdp_per_capita__us NUMBER, languages VARCHAR2)

Name the most gdp per capita latvian
SELECT MAX(gdp_per_capita__us) AS $_ FROM table_21133193_1 WHERE languages = "Latvian"
SELECT MAX("gdp_per_capita__us") AS "$_" FROM "table_21133193_1" WHERE "Latvian" = "languages"