Get Date Range From Week Number

week_to_date.sql

select
STR_TO_DATE(concat(tgl, ' Monday'),'%x%v %W') date_start,
STR_TO_DATE(concat(tgl, ' Sunday'),'%x%v %W') date_end
from
(
select
date_format(updated_at, "%Y%v") as tgl,
count(1) as counter
from table
group by tgl
) as c;