I want to know the answer to the following question:
Who was the last known person to be sentenced to death for the crime of heresy by the Roman Catholic Church?
All the background I'm provided with is that "Within six years of the official criminalization of heresy by the Emperor, the first Christian heretic to be executed, Priscillian, was condemned in 386 by Roman secular officials for sorcery, and put to death with four or five followers.". Is that enough to answer the question?
Answer: no