Question: who has the responsibility to regulate interstate commerce
[{'answer': 'Surface Transportation Board', 'provenance': [{'wikipedia_id': '55678', 'title': 'Interstate Commerce Commission', 'start_paragraph_id': 1, 'start_character': 644, 'end_paragraph_id': 1, 'end_character': 672, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '55678', 'title': 'Interstate Commerce Commission', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 619, 'bleu_score': 0.7918247012350801, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8967283163469435670}, 'section': 'Section::::Abstract.'}]}]