Question: where does the ganges river start and end
[{'answer': 'eastern Himalayas'}, {'answer': 'Bay of Bengal', 'provenance': [{'wikipedia_id': '12448', 'title': 'Ganges', 'start_paragraph_id': 1, 'start_character': 288, 'end_paragraph_id': 1, 'end_character': 301, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]