Question: Between Jonah Matranga and Cho Kyuhyun, which singer has appeared on postage stamps?
{'answer': 'Cho Kyu-hyun', 'supporting_facts': [['Jonah Matranga', 0], ['Jonah Matranga', 1], ['Cho Kyuhyun', 0], ['Cho Kyuhyun', 2]]}