select 
    sd.AGE_CODE as 年齢コード
    , ag.AGE_NAME as 年齢階層名
    , sum(SP_TIME_5) as '5時間未満'
    , sum(SP_TIME_6) as '5時間以上6時間未満'
    , sum(SP_TIME_7) as '6時間以上7時間未満'
    , sum(SP_TIME_8) as '7時間以上8時間未満'
    , sum(SP_TIME_9) as '8時間以上9時間未満'
    , sum(SP_TIME_9OVER) as '9時間以上'
from SLEEP_TIME_DTL sd
 inner join PREFECTURE pr
  on pr.PF_CODE = sd.PF_CODE
 inner join AGE_GRP ag
  on ag.AGE_CODE = sd.AGE_CODE
where
  pr.PF_NAME in ('北海道', '青森県','岩手県','宮城県','福島県')
group by 
  sd.AGE_CODE
order by
  sd.AGE_CODE