Question: name the right bank and the left bank tributaries of ganga
[{'answer': 'right', 'provenance': [{'wikipedia_id': '12448', 'title': 'Ganges', 'start_paragraph_id': 18, 'start_character': 102, 'end_paragraph_id': 18, 'end_character': 107, 'bleu_score': 1.0, 'section': 'Section::::Hydrology.\n'}]}, {'answer': 'Yamuna', 'provenance': [{'wikipedia_id': '12448', 'title': 'Ganges', 'start_paragraph_id': 8, 'start_character': 217, 'end_paragraph_id': 8, 'end_character': 223, 'bleu_score': 1.0, 'section': 'Section::::Course.\n'}]}, {'answer': 'Tamsa', 'provenance': [{'wikipedia_id': '12448', 'title': 'Ganges', 'start_paragraph_id': 9, 'start_character': 38, 'end_paragraph_id': 9, 'end_character': 43, 'bleu_score': 1.0, 'section': 'Section::::Course.\n'}]}, {'answer': 'Son', 'provenance': [{'wikipedia_id': '12448', 'title': 'Ganges', 'start_paragraph_id': 9, 'start_character': 566, 'end_paragraph_id': 9, 'end_character': 569, 'bleu_score': 1.0, 'section': 'Section::::Course.\n'}]}, {'answer': 'Punpun', 'provenance': [{'wikipedia_id': '12448', 'title': 'Ganges', 'start_paragraph_id': 18, 'start_character': 158, 'end_paragraph_id': 18, 'end_character': 164, 'bleu_score': 1.0, 'section': 'Section::::Hydrology.\n'}]}, {'answer': 'left', 'provenance': [{'wikipedia_id': '12448', 'title': 'Ganges', 'start_paragraph_id': 18, 'start_character': 6, 'end_paragraph_id': 18, 'end_character': 10, 'bleu_score': 1.0, 'section': 'Section::::Hydrology.\n'}]}, {'answer': 'Ramganga', 'provenance': [{'wikipedia_id': '12448', 'title': 'Ganges', 'start_paragraph_id': 8, 'start_character': 133, 'end_paragraph_id': 8, 'end_character': 141, 'bleu_score': 1.0, 'section': 'Section::::Course.\n'}]}, {'answer': 'Gomti', 'provenance': [{'wikipedia_id': '12448', 'title': 'Ganges', 'start_paragraph_id': 9, 'start_character': 175, 'end_paragraph_id': 9, 'end_character': 180, 'bleu_score': 1.0, 'section': 'Section::::Course.\n'}]}, {'answer': 'Ghaghara', 'provenance': [{'wikipedia_id': '12448', 'title': 'Ganges', 'start_paragraph_id': 9, 'start_character': 293, 'end_paragraph_id': 9, 'end_character': 301, 'bleu_score': 1.0, 'section': 'Section::::Course.\n'}]}, {'answer': 'Gandak', 'provenance': [{'wikipedia_id': '12448', 'title': 'Ganges', 'start_paragraph_id': 9, 'start_character': 602, 'end_paragraph_id': 9, 'end_character': 608, 'bleu_score': 1.0, 'section': 'Section::::Course.\n'}]}, {'answer': 'Koshi'}, {'answer': 'Mahananda'}]