Question: when was the surface mining control and reclamation act written
[{'answer': '1977', 'provenance': [{'wikipedia_id': '3473748', 'title': 'Surface Mining Control and Reclamation Act of 1977', 'start_paragraph_id': 0, 'start_character': 46, 'end_paragraph_id': 0, 'end_character': 50, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '3473748', 'title': 'Surface Mining Control and Reclamation Act of 1977', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 166, 'bleu_score': 0.9271474438253491, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10488851435652731680}, 'section': 'Section::::Abstract.'}]}]