Query: ecs_clusters_for_ecs_service

select
  c.cluster_arn as cluster_arn
from
  aws_ecs_service as s
  left join aws_ecs_cluster as c on s.cluster_arn = c.cluster_arn and s.arn = $1
where
  c.cluster_arn is not null
  and s.account_id = split_part($1, ':', 5)
  and s.region = split_part($1, ':', 4);