CREATE TABLE table_train_146 ("id" INT, "lymphocyte_count" INT, "c_peptide_level" FLOAT, "vitamin_d_deficiency" BOOLEAN, "diabetic" TEXT, "vitamin_d" INT, "NOUSE" FLOAT)

vitamin d deficiency ( defined as less than 20 ng / ml )
SELECT * FROM table_train_146 WHERE vitamin_d_deficiency = 1 OR vitamin_d <= 20
SELECT * FROM "table_train_146" WHERE "vitamin_d" <= 20 OR "vitamin_d_deficiency" = 1