Question: when was the fair credit billing act enacted
[{'answer': '1974', 'provenance': [{'wikipedia_id': '3650487', 'title': 'Fair Credit Billing Act', 'start_paragraph_id': 1, 'start_character': 77, 'end_paragraph_id': 1, 'end_character': 81, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '3650487', 'title': 'Fair Credit Billing Act', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 346, 'bleu_score': 0.8831730412242561, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16442009327032342495}, 'section': 'Section::::Abstract.'}]}]