Question: who gives congress authority to grant authors and inventors copyright and patent rights
[{'answer': 'The United States Constitution', 'provenance': [{'wikipedia_id': '18938663', 'title': 'Copyright law of the United States', 'start_paragraph_id': 2, 'start_character': 133, 'end_paragraph_id': 2, 'end_character': 163, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Copyright Act of 1976', 'provenance': [{'wikipedia_id': '18938663', 'title': 'Copyright law of the United States', 'start_paragraph_id': 2, 'start_character': 62, 'end_paragraph_id': 2, 'end_character': 83, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '18938663', 'title': 'Copyright law of the United States', 'start_paragraph_id': 2, 'start_character': 55, 'end_paragraph_id': 2, 'end_character': 518, 'bleu_score': 0.8666347549490171, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16590023877388414499}, 'section': 'Section::::Abstract.'}]}]