Question: who was defeated and killed in the fourth mysore war at srirangapatna
[{'answer': 'Tipu Sultan', 'provenance': [{'wikipedia_id': '1147077', 'title': 'Fourth Anglo-Mysore War', 'start_paragraph_id': 2, 'start_character': 113, 'end_paragraph_id': 2, 'end_character': 124, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1147077', 'title': 'Fourth Anglo-Mysore War', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 522, 'bleu_score': 0.977397480575333, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13897197284107459984}, 'section': 'Section::::Abstract.'}]}]