select pel.identifier         as 'Patient Id',
       pel.date_created      as 'Registration Date',
       u.username            as 'Updated By',
       count(pel.identifier) as 'Edit Count'
from person_edit_log pel
         inner join users u on pel.changed_by = u.user_id
where cast(pel.date_changed as DATE) between '#startDate#' AND '#endDate#'
group by pel.identifier, u.username;