table.accessibilityAttributeNames.has(AXColumnHeaderUIElements)='yes'
table.accessibilityAttributeValue(AXColumnHeaderUIElements)=[:4]
cell.accessibilityAttributeNames.has(AXColumnHeaderUIElements)='yes'
cell.accessibilityAttributeValue(AXColumnHeaderUIElements)=[:4]
columnheader.accessibilityAttributeNames.has(AXColumnHeaderUIElements)='no'
columnheader.accessibilityAttributeValue(AXColumnHeaderUIElements)=[:4]