instruction: have calcium gluconate ever been prescribed to patient 57023 during a month before?
response: SELECT COUNT(*) > 0 FROM prescriptions WHERE prescriptions.hadm_id IN (SELECT admissions.hadm_id FROM admissions WHERE admissions.subject_id = 57023) AND prescriptions.drug = 'calcium gluconate' AND DATETIME(prescriptions.startdate, 'start of month') = DATETIME(CURRENT_TIME(), 'start of month', '-1 month')