Hypothetically speaking, if your death would save the life of one or more complete strangers that you know nothing about, how many people would need to be saved (if any) in order for you to give up your own life?
EDIT: Your death would be painless and instantaneous.
Fair, I suppose I meant highest utility for ME and my people. What would be the right way to describe it?
I would just leave the “From a utilitarian perspective” part out. The rest of what you wrote seemed to describe your position adequate.