Conversation so far:
What did Jean-Marie Le Pen do in the military?
Jean-Marie Le Pen was an intelligence officer for the French Foreign Legion.
where did Jean-Marie Le Pen attend college?
After his time in the military, Jean-Marie Le Pen studied political science and law at Panthéon-Assas University.

Question: when did he graduate
Self-contained rewrite: when did Jean-Marie Le Pen attend college?