Question: what county is rapid city south dakota in
[{'answer': 'Pennington County', 'provenance': [{'wikipedia_id': '134987', 'title': 'Rapid City, South Dakota', 'start_paragraph_id': 1, 'start_character': 106, 'end_paragraph_id': 1, 'end_character': 123, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '134987', 'title': 'Rapid City, South Dakota', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 302, 'bleu_score': 0.873444106502636, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16506886802536309757}, 'section': 'Section::::Abstract.'}]}]