instruction: how many days are passed since the last time patient 027-85328 stayed in ward 996 on the current hospital encounter?
response: SELECT 1 * (STRFTIME('%j', CURRENT_TIME()) - STRFTIME('%j', patient.unitadmittime)) FROM patient WHERE patient.uniquepid = '027-85328' AND patient.wardid = 996 AND patient.hospitaldischargetime IS NULL ORDER BY patient.unitadmittime DESC LIMIT 1