Question: who commanded the maratha army in the third battle of panipat
[{'answer': 'Sadashivrao Bhau', 'provenance': [{'wikipedia_id': '142027', 'title': 'Third Battle of Panipat', 'start_paragraph_id': 9, 'start_character': 35, 'end_paragraph_id': 9, 'end_character': 51, 'bleu_score': 1.0, 'section': 'Section::::Background.:Decline of the Mughal Empire.\n'}]}, {'provenance': [{'wikipedia_id': '142027', 'title': 'Third Battle of Panipat', 'start_paragraph_id': 20, 'start_character': 0, 'end_paragraph_id': 20, 'end_character': 340, 'bleu_score': 0.9663744727315161, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17797769442137210231}, 'section': 'Section::::Prelude.:Initial skirmishes.\n'}]}]