Question: which foreign traveller discussed diamond mines of india
[{'answer': 'Jean Baptiste Tavernier', 'provenance': [{'wikipedia_id': '53625887', 'title': 'Diamond mining in India', 'start_paragraph_id': 8, 'start_character': 308, 'end_paragraph_id': 8, 'end_character': 331, 'bleu_score': 1.0, 'section': 'Section::::History.:Medieval period (1200 to 1800 CE).\n'}]}, {'provenance': [{'wikipedia_id': '53625887', 'title': 'Diamond mining in India', 'start_paragraph_id': 8, 'start_character': 0, 'end_paragraph_id': 8, 'end_character': 435, 'bleu_score': 0.8980997040373141, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13404486478134611298}, 'section': 'Section::::History.:Medieval period (1200 to 1800 CE).\n'}]}]