Question: where does cauvery reach the bay of bengal
[{'answer': 'in Poompuhar , Tamil Nadu', 'provenance': [{'wikipedia_id': '177299', 'title': 'Kaveri', 'start_paragraph_id': 1, 'start_character': 585, 'end_paragraph_id': 1, 'end_character': 610, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '177299', 'title': 'Kaveri', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 707, 'bleu_score': 0.8585437028899331, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 18318459610842465730}, 'section': 'Section::::Abstract.'}]}]