instruction: when was patient 23760 first given the neostigmine prescription in 08/this year?
response: SELECT prescriptions.startdate FROM prescriptions WHERE prescriptions.hadm_id IN (SELECT admissions.hadm_id FROM admissions WHERE admissions.subject_id = 23760) AND prescriptions.drug = 'neostigmine' AND DATETIME(prescriptions.startdate, 'start of year') = DATETIME(CURRENT_TIME(), 'start of year', '-0 year') AND STRFTIME('%m', prescriptions.startdate) = '08' ORDER BY prescriptions.startdate LIMIT 1