Question: where are the powers of congress listed in the constitution
[{'answer': 'Article I of the Constitution', 'provenance': [{'wikipedia_id': '28880664', 'title': 'Powers of the United States Congress', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 29, 'bleu_score': 1.0, 'section': 'Section::::General powers.\n'}]}, {'answer': 'the Necessary and Proper Clause of the Constitution'}, {'provenance': [{'wikipedia_id': '28880664', 'title': 'Powers of the United States Congress', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 301, 'bleu_score': 0.955027111100031, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8169259157766028757}, 'section': 'Section::::General powers.\n'}]}]