Working Solution*****
I worked with a Splunk SME and added the following syntax which gave me a column for target_hash and saved in the input statement without error***
[AnalyzerDetectionMethod] AS [detection_method],
[ThreatActionTaken] AS [vendor_action],
[ePO_xxxxxxxxxxxx].[dbo].[EPExtendedEventMT].[TargetHash] AS [target_hash],
CAST([ThreatHandled] AS int) AS [threat_handled],
LEFT JOIN [ePO_xxxxxxxxxxxx].[dbo].[EPExtendedEventMT]
ON [ePO_xxxxxxxxxxxx].[dbo].[EPOLeafNodeMT].[AutoID] = [ePO_xxxxxxxxxxxx].[dbo].[EPExtendedEventMT].[EventAutoID]
AND (EPOEventFilterDesc.Language='0409')) t WHERE AutoID > ? ORDER BY AutoID ASC
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