Question: which region of the brain is responsible for motor aspects of speech
[{'answer': "Broca 's area", 'provenance': [{'wikipedia_id': '40166', 'title': "Broca's area", 'start_paragraph_id': 52, 'start_character': 617, 'end_paragraph_id': 52, 'end_character': 632, 'bleu_score': 1.0, 'section': 'Section::::Evolution of language.\n'}]}, {'provenance': [{'wikipedia_id': '40166', 'title': "Broca's area", 'start_paragraph_id': 12, 'start_character': 0, 'end_paragraph_id': 12, 'end_character': 1024, 'bleu_score': 0.9870543337942441, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5043712487519498712}, 'section': 'Section::::Functions.:Language comprehension.\n'}]}]