-- 総数(TOTAL_AMT)が10万人以上で、地区名(DISTRICT_NAME)に '東' を含んでいるデータ
select
 district_code as CODE,
 district_name as NAME,
 total_amt as TOTAL
from population
where total_amt >= 10000 and district_name like '%東%'
-- 総数の降順, 地区コードの昇順
order by TOTAL desc, CODE asc