Question: Ranulf de Gernon, 4th Earl of Chester was the son of the magnate who originated in what city in Normandy?
{'answer': 'Bessin', 'supporting_facts': [['Ranulf de Gernon, 4th Earl of Chester', 0], ['Ranulf le Meschin, 3rd Earl of Chester', 0], ['Ranulf le Meschin, 3rd Earl of Chester', 1]]}