text: -- Name: AllValuesByElementSigIdAndScanId
  -- Schema: posda_phi
  -- Columns: ['value']
  -- Args: ['element_signature_id', 'scan_id']
  -- Tags: ['tag_usage']
  -- Description: List of values seen in scan with specified tag
  -- 
  
  select
    distinct value
  from
    seen_value natural join scan_element
  where
    element_signature_id = ? and series_scan_id in (
    select
      series_scan_id 
    from 
      series_scan
    where 
      scan_event_id = ?
    )
  order by value
  