Question: Chagnoald, was a bishop of Laon during the 7th century, from which collection of Germanic peoples that originated in the lands between the Lower and Middle Rhine in the 3rd century AD and eventually formed a large empire dominating much of western and central Europe during the Middle Ages?
{'answer': 'Franks', 'supporting_facts': [['Chagnoald', 0], ['Franks', 0]]}