Question: which article of the constitution outlines the legislative branch
[{'answer': 'Article One', 'provenance': [{'wikipedia_id': '31646', 'title': 'Article One 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': '31646', 'title': 'Article One of the United States Constitution', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 248, 'bleu_score': 0.744981038735521, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13357971823172230037}, 'section': 'Section::::Abstract.'}]}]