Question: What is the date of death of Jacques Marie Eugène Godefroy Cavaignac's father?
Sentence (from "Jacques Marie Eugène Godefroy Cavaignac"): He made public profession of his republican principles as a schoolboy at the Lycée Charlemagne by refusing in 1867 to receive a prize at the Sorbonne from the hand of the prince imperial.
Relevant evidence: No