SELECT 
    SLEEP_TIME_DTL.AGE_CODE AS 年齢コード,
    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
JOIN 
    AGE_GRP ON SLEEP_TIME_DTL.AGE_CODE = AGE_GRP.AGE_CODE
JOIN 
    PREFECTURE ON SLEEP_TIME_DTL.PF_CODE = PREFECTURE.PF_CODE
WHERE 
    PREFECTURE.PF_NAME IN ('北海道', '青森県', '岩手県', '宮城県', '福島県')
GROUP BY 
    SLEEP_TIME_DTL.AGE_CODE, AGE_NAME;