Question: bangkok is situated on the bank of which river
[{'answer': 'Chao Phraya', 'provenance': [{'wikipedia_id': '56615', 'title': 'Bangkok', 'start_paragraph_id': 1, 'start_character': 152, 'end_paragraph_id': 1, 'end_character': 163, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '56615', 'title': 'Bangkok', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 525, 'bleu_score': 0.5884776083408001, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4184518902615044407}, 'section': 'Section::::Abstract.'}]}]