Question: who excavated the site of mahenjodaro in sind
[{'answer': 'Kashinath Narayan Dikshit', 'provenance': [{'wikipedia_id': '77495', 'title': 'Mohenjo-daro', 'start_paragraph_id': 10, 'start_character': 380, 'end_paragraph_id': 10, 'end_character': 405, 'bleu_score': 1.0, 'section': 'Section::::Rediscovery and excavation.\n'}]}, {'answer': 'John Marshall', 'provenance': [{'wikipedia_id': '77495', 'title': 'Mohenjo-daro', 'start_paragraph_id': 10, 'start_character': 422, 'end_paragraph_id': 10, 'end_character': 435, 'bleu_score': 1.0, 'section': 'Section::::Rediscovery and excavation.\n'}]}, {'provenance': [{'wikipedia_id': '77495', 'title': 'Mohenjo-daro', 'start_paragraph_id': 10, 'start_character': 0, 'end_paragraph_id': 10, 'end_character': 1380, 'bleu_score': 0.8473259711666261, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10156137684599120477}, 'section': 'Section::::Rediscovery and excavation.\n'}]}]