Question: which river is known as ganga of madhya pradesh
[{'answer': 'Betwa or Betravati', 'provenance': [{'wikipedia_id': '1977574', 'title': 'Betwa River', 'start_paragraph_id': 1, 'start_character': 4, 'end_paragraph_id': 1, 'end_character': 22, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1977574', 'title': 'Betwa River', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 430, 'bleu_score': 0.9532867695683781, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 639860136194097603}, 'section': 'Section::::Abstract.'}]}]