Is 23 too young to be mayor?

Is 23 too young to be mayor?
I'd really like to know your opinion on this, since - thankfully I must say - the biggest criticism I'm getting so far from commentators and political opponents is that I'm too young and inexperienced to be mayor. I think they do have a point in being uncertain about me, but I've also made the point that my grandfather was ''just'' 25 when he first became mayor (he served six non-consecutive terms in some 60 years), that I'm President of the local Pro Loco and also that the other candidate supports me. What do you think?
Is 23 too young to be mayor?
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