accept-ch values in http archive latest (desktop)

gistfile1.txt

select url, accept_ch_value
from (
  select distinct NET.REG_DOMAIN(url) as url,
  # {"name":"Accept-CH","value":"
  REGEXP_EXTRACT(payload, r'(?i)Accept\-CH","value":"(.+?)"') as accept_ch_value
  from
    `httparchive.latest.requests_desktop`
  where
    JSON_EXTRACT(payload, '$._headers.response') LIKE '%CH-%'
)
where accept_ch_value is not null