Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_train_255 ( "id" int, "ldl_cholesterol" int, "hemoglobin_a1c_hba1c" float, "body_weight" float, "urine_albumin_to_creatinine_ratio_uacr" int, "hba1c" float, "body_mass_index_bmi" float, "triglyceride_tg" float, "age" float, "NOUSE" float )

### Question ###
participant has a urine albumin _ to _ creatinine ratio ( uacr ) < 300 mg / g at screening in a single urine specimen ( per national kidney foundation guideline ) .

### Accurate SQL ###

SELECT * FROM table_train_255 WHERE urine_albumin_to_creatinine_ratio_uacr < 300