Table schema:
CREATE TABLE table_name_27 (gdp__ppp__per_capita_2012_eu27_ VARCHAR, _100 VARCHAR, gdp_2012_millions_of_euro VARCHAR)

Question: What is GDP (PPP) Per Capita 2012 EU27 = 100, when GDP 2012 Millions Of Euro is 309,900?
SQL: SELECT gdp__ppp__per_capita_2012_eu27_ = _100 FROM table_name_27 WHERE gdp_2012_millions_of_euro = "309,900"