Question: where did the archaeological department of india carry out excavations in the indus valley
[{'answer': 'Harappa', 'provenance': [{'wikipedia_id': '163585', 'title': 'John Marshall (archaeologist)', 'start_paragraph_id': 1, 'start_character': 208, 'end_paragraph_id': 1, 'end_character': 215, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Mohenjodaro', 'provenance': [{'wikipedia_id': '163585', 'title': 'John Marshall (archaeologist)', 'start_paragraph_id': 1, 'start_character': 220, 'end_paragraph_id': 1, 'end_character': 231, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '163585', 'title': 'John Marshall (archaeologist)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 299, 'bleu_score': 0.8879659171421961, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2455335847426088957}, 'section': 'Section::::Abstract.'}]}]