Question: total number of branches of union bank of india
[{'answer': '4301'}, {'provenance': [{'wikipedia_id': '1899726', 'title': 'Union Bank of India', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 478, 'bleu_score': 0.521638368138006, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10157589552523913834}, 'section': 'Section::::Abstract.'}]}]