For that, I think you would have to use some sort of comment id, I think forms always puts the responses on a new line of the spreadsheet so you may be able to use the row number. I am unsure of how to pull that value using the google viz SQL though
For that, I think you would have to use some sort of comment id, I think forms always puts the responses on a new line of the spreadsheet so you may be able to use the row number. I am unsure of how to pull that value using the google viz SQL though