SELECT
    AGE_GRP.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 AGE_GRP,PREFECTURE,SLEEP_TIME_DTL
WHERE 
    PREFECTURE.PF_NAME IN ("北海道","青森県","岩手県","宮城県","福島県") AND
    AGE_GRP.AGE_CODE = SLEEP_TIME_DTL.AGE_CODE AND
    PREFECTURE.PF_CODE = SLEEP_TIME_DTL.PF_CODE
GROUP BY AGE_GRP.AGE_CODE
ORDER BY AGE_GRP.AGE_CODE