If they requested 3 to 5 questions, give them 3 to 5 questions in the hope that one of them is acceptable.
If you gave them the same question five times, the odds increase dramatically that no question from investors will be posed because there are various reasons why your single cherished question might get disqualified. Perhaps there are plans already to address it in KM's opening statement. Or maybe it's of the kind they believe the analysts will ask so it would be redundant.
Plus, listing the same question five times would probably be viewed as bullying and obnoxious and swatted away as failing to follow the instructions.