Question: who was the prime minister of assam when the burmese army came with badanchandra
[{'answer': 'Purnananda Burhagohain', 'provenance': [{'wikipedia_id': '4405365', 'title': 'Burmese invasions of Assam', 'start_paragraph_id': 3, 'start_character': 268, 'end_paragraph_id': 3, 'end_character': 290, 'bleu_score': 1.0, 'section': 'Section::::Background.\n'}]}, {'provenance': [{'wikipedia_id': '4405365', 'title': 'Burmese invasions of Assam', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 2572, 'bleu_score': 0.988863480359752, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16306771305537937202}, 'section': 'Section::::Background.\n'}]}]