Question: Who has been involved in more music groups, Ryuichi Kawamura or Billy Mackenzie?
{'answer': 'Ryuichi Kawamura', 'supporting_facts': [['Ryuichi Kawamura', 0], ['Ryuichi Kawamura', 1], ['Ryuichi Kawamura', 2], ['Ryuichi Kawamura', 3], ['Ryuichi Kawamura', 4], ['Billy Mackenzie', 0]]}