Question: which article provides that the constitution shall be the supreme law of the land
[{'answer': 'Article Six', 'provenance': [{'wikipedia_id': '31651', 'title': 'Article Six of the United States Constitution', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 11, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '31651', 'title': 'Article Six of the United States Constitution', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 377, 'bleu_score': 0.96746874041754, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12583137117308720807}, 'section': 'Section::::Abstract.'}]}]