select
    A.AGE_CODE as 年齢コード,
    A.AGE_NAME as 年齢階層名,
    S.SP_TIME_5 as '5時間未満',
    S.SP_TIME_6 as '5時間以上6時間未満',
    S.SP_TIME_7 as '6時間以上7時間未満',
    S.SP_TIME_8 as '7時間以上8時間未満',
    S.SP_TIME_9 as '8時間以上9時間未満',
    S.SP_TIME_9OVER as '9時間以上'
from
    SLEEP_TIME_DTL S
left join PREFECTURE P ON P.PF_CODE = S.PF_CODE
left join AGE_GRP A ON A.AGE_CODE = S.AGE_CODE
where 
    P.PF_NAME IN ('北海道','青森県','岩手県','宮城県','福島県')
    AND A.AGE_CODE is not null