Question: what provisions in the constitution are designed to ensure a fair trial
[{'answer': 'the Sixth Amendment', 'provenance': [{'wikipedia_id': '660608', 'title': 'Right to a fair trial', 'start_paragraph_id': 2, 'start_character': 130, 'end_paragraph_id': 2, 'end_character': 149, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '660608', 'title': 'Right to a fair trial', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 495, 'bleu_score': 0.9751504244977051, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12627062622781827093}, 'section': 'Section::::Abstract.'}]}]