What is the station that is transmitted at 20 kw and has a frequency of 48 uhf?
{'header': ['Television Station', 'Frequency', 'Site', 'Transmitted', 'Network', 'Status', 'Country of Region'], 'page_title': '', 'page_id': '', 'types': ['text', 'text', 'text', 'text', 'text', 'text', 'text'], 'id': '1-1601792-4', 'section_title': '', 'caption': '', 'rows': [['TV1', '28 UHF', 'Gunung Ledang', '10 kW/800 kW ERP', 'Radio Televisyen Malaysia (RTM)', 'National', 'Malaysia'], ['TV2', '7 UHF', 'Gunung Ledang', '10 kW/800 kW ERP', 'Radio Televisyen Malaysia (RTM)', 'National', 'Malaysia'], ['TV3', '12 UHF', 'Gunung Ledang', '20 kW', 'Media Prima Berhad', 'National', 'Malaysia'], ['NTV7', '35 UHF', 'Gunung Ledang', '20 kW', 'Media Prima Berhad', 'National', 'Malaysia'], ['8TV', '48 UHF', 'Gunung Ledang', '20 kW', 'Media Prima Berhad', 'National', 'Malaysia']], 'name': 'table_1601792_4'}