Question: how many wars have been fought between india and pakistan
[{'answer': 'four', 'provenance': [{'wikipedia_id': '142331', 'title': 'Indo-Pakistani wars and conflicts', 'start_paragraph_id': 34, 'start_character': 705, 'end_paragraph_id': 34, 'end_character': 709, 'bleu_score': 1.0, 'section': 'Section::::Other armed engagements.:Past skirmishes and standoffs.\n'}]}]