Question: who makes the engine in a mini cooper
[{'answer': 'Plant Hams Hall', 'provenance': [{'wikipedia_id': '3484410', 'title': 'Mini (marque)', 'start_paragraph_id': 91, 'start_character': 12, 'end_paragraph_id': 91, 'end_character': 27, 'bleu_score': 1.0, 'section': 'Section::::Development and production.\n'}]}, {'provenance': [{'wikipedia_id': '3484410', 'title': 'Mini (marque)', 'start_paragraph_id': 91, 'start_character': 0, 'end_paragraph_id': 91, 'end_character': 485, 'bleu_score': 0.944475589384524, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11083704066615676631}, 'section': 'Section::::Development and production.\n'}]}]