CREATE TABLE table_train_161 ("id" NUMBER, "white_blood_cell_count_wbc" NUMBER, "systolic_blood_pressure_sbp" NUMBER, "c_peptide_level" FLOAT, "diastolic_blood_pressure_dbp" NUMBER, "heart_rate" NUMBER, "glycosylated_hemoglobin" FLOAT, "NOUSE" FLOAT)

c _ peptide value less than 1 pmol / ml 90 minutes after oral boost plus administration.
SELECT * FROM table_train_161 WHERE c_peptide_level < 1
SELECT * FROM "table_train_161" WHERE "c_peptide_level" < 1