on 06/22/last year', what was average arterial bp [diastolic] of patient 25523?
select avg(chartevents.valuenum) from chartevents where chartevents.icustay_id in ( select icustays.icustay_id from icustays where icustays.hadm_id in ( select admissions.hadm_id from admissions where admissions.subject_id = 25523 ) ) and chartevents.itemid in ( select d_items.itemid from d_items where d_items.label = 'arterial bp [diastolic]' and d_items.linksto = 'chartevents' ) and datetime(chartevents.charttime,'start of year') = datetime(current_time,'start of year','-1 year') and strftime('%m-%d',chartevents.charttime) = '06-22'