instruction: how many days have passed since the first stay of patient 97330 in the ward 57 in the current hospital encounter?
response: SELECT 1 * (STRFTIME('%j', CURRENT_TIME()) - STRFTIME('%j', transfers.intime)) FROM transfers WHERE transfers.icustay_id IN (SELECT icustays.icustay_id FROM icustays WHERE icustays.hadm_id IN (SELECT admissions.hadm_id FROM admissions WHERE admissions.subject_id = 97330 AND admissions.dischtime IS NULL)) AND transfers.wardid = 57 ORDER BY transfers.intime LIMIT 1