SELECT
  AGE_CODE AS 年齢コード,
  AGE_NAME AS 年齢階層名,
  SP_TIME_5 AS "5時間未満",
  SP_TIME_6 AS "5時間以上6時間未満",
  SP_TIME_7 AS "6時間以上7時間未満",
  SP_TIME_8 AS "7時間以上8時間未満",
  SP_TIME_9 AS "8時間以上9時間未満",
  SP_TIME_9OVER AS "9時間以上"
FROM
  sleep_time_dtl
  LEFT JOIN prefecture USING(pf_code)
  INNER JOIN age_grp USING(age_code)
WHERE
  pf_name IN ('北海道', '青森県', '岩手県', '宮城県', '福島県')
GROUP BY
  age_code,
  age_name
ORDER BY
  age_code