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

group by
  slp.AGE_CODE
, age.AGE_NAME
order by
  slp.AGE_CODE
;