I want to emphasize a question from a poll in my project thesis for university. However, I´m not certain with the usage of "above all" in the following example.
Last but not least, the participants were asked [question and result here]. Above all, this question displays the necessity to implement [...].
There were some questions before as you might have noticed (Last but not least), but I want to highlight that this question shows the consequence - to implement something - better than any other question.