CREATE TABLE table_train_252 ("id" NUMBER, "gender" CLOB, "pregnancy_or_lactation" BOOLEAN, "fasting_plasma_glucose_fpg" FLOAT, "hemoglobin_a1c_hba1c" FLOAT, "hba1c" FLOAT, "serum_creatinine" FLOAT, "metformin" BOOLEAN, "age" FLOAT, "NOUSE" FLOAT)

fasting plasma glucose ( fpg ) <= 210 mg / deciliter ( dl; central lab ) at screening. if the first fpg value does not meet eligibility criterion
SELECT * FROM table_train_252 WHERE fasting_plasma_glucose_fpg <= 210
SELECT * FROM "table_train_252" WHERE "fasting_plasma_glucose_fpg" <= 210