code: def event_log_filter_between_date(start, end, utc):
      
      return {
          'operation': 'betweenDate',
          'options': [
              {'name': 'startDate', 'value': [format_event_log_date(start, utc)]},
              {'name': 'endDate', 'value': [format_event_log_date(end, utc)]}
          ]
      }
docs: betweenDate Query filter that SoftLayer_EventLog likes
  
      :param string start: lower bound date in mm/dd/yyyy format
      :param string end: upper bound date in mm/dd/yyyy format
      :param string utc: utc offset. Defaults to '+0000'