Question: where are the bulk of congress' powers found
[{'answer': 'Article I of the Constitution', 'provenance': [{'wikipedia_id': '31756', 'title': 'United States Congress', 'start_paragraph_id': 33, 'start_character': 0, 'end_paragraph_id': 33, 'end_character': 29, 'bleu_score': 1.0, 'section': 'Section::::Role in Government.:Powers of Congress.:Overview of congressional power.\n'}]}, {'provenance': [{'wikipedia_id': '31756', 'title': 'United States Congress', 'start_paragraph_id': 33, 'start_character': 0, 'end_paragraph_id': 33, 'end_character': 632, 'bleu_score': 0.9804854598160591, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16924814704599933606}, 'section': 'Section::::Role in Government.:Powers of Congress.:Overview of congressional power.\n'}]}]