Question: who enforces surface mining control and reclamation act
[{'answer': 'government regulators', 'provenance': [{'wikipedia_id': '3473748', 'title': 'Surface Mining Control and Reclamation Act of 1977', 'start_paragraph_id': 11, 'start_character': 52, 'end_paragraph_id': 11, 'end_character': 73, 'bleu_score': 1.0, 'section': 'Section::::Passage.:Regulatory program.\n'}]}, {'provenance': [{'wikipedia_id': '3473748', 'title': 'Surface Mining Control and Reclamation Act of 1977', 'start_paragraph_id': 11, 'start_character': 0, 'end_paragraph_id': 11, 'end_character': 353, 'bleu_score': 0.9603762111511761, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11848371093921193514}, 'section': 'Section::::Passage.:Regulatory program.\n'}]}]