When using musical notation in parentheses, the contents should end as a string, therefore:
<cfoutput query="spreadsheetData">
</cfoutput>
, , :
<cfset ColumnName = 'start date' />
<cfoutput query="spreadsheetData">
#spreadsheetData[ColumnName][CurrentRow]#
</cfoutput>
, - [ColumnName], , .
, (.. cfoutput/cfloop ), CurrentRow, ..
spreadsheetData[ColumnName][spreadsheetData.CurrentRow]
( /).
, cfspreadsheet columnnames, , .
<cfspreadsheet query=".." columnNames="Foo,Bar,StartDate,Etcetera" ..>