Question: where are the traces of gandhara art found
[{'answer': 'Afghanistan', 'provenance': [{'wikipedia_id': '496354', 'title': 'Gandhara', 'start_paragraph_id': 1, 'start_character': 123, 'end_paragraph_id': 1, 'end_character': 134, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Pakistan', 'provenance': [{'wikipedia_id': '496354', 'title': 'Gandhara', 'start_paragraph_id': 1, 'start_character': 139, 'end_paragraph_id': 1, 'end_character': 147, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'India', 'provenance': [{'wikipedia_id': '496354', 'title': 'Gandhara', 'start_paragraph_id': 1, 'start_character': 725, 'end_paragraph_id': 1, 'end_character': 730, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Central Asia', 'provenance': [{'wikipedia_id': '496354', 'title': 'Gandhara', 'start_paragraph_id': 2, 'start_character': 560, 'end_paragraph_id': 2, 'end_character': 572, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'China', 'provenance': [{'wikipedia_id': '496354', 'title': 'Gandhara', 'start_paragraph_id': 43, 'start_character': 103, 'end_paragraph_id': 43, 'end_character': 108, 'bleu_score': 1.0, 'section': 'Section::::History.:Kushan Gandhara.\n'}]}, {'provenance': [{'wikipedia_id': '496354', 'title': 'Gandhara', 'start_paragraph_id': 97, 'start_character': 0, 'end_paragraph_id': 97, 'end_character': 375, 'bleu_score': 0.9663744727315161, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14665135066949425558}, 'section': 'Section::::Art.\n'}]}]