Question: which part of the cerebral hemisphere is supplied by the middle cerebral artery
[{'answer': 'cerebrum', 'provenance': [{'wikipedia_id': '2503748', 'title': 'Middle cerebral artery', 'start_paragraph_id': 1, 'start_character': 100, 'end_paragraph_id': 1, 'end_character': 108, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]